31.It's time for…/to do sth.
　　春天到了，該種樹了。
　　Spring has come, it's time to plant trees.
　　是我們聽英語節(jié)目的時間了
　　It's time for us to listen to English programme.
　　該上學(xué)了。
　　It's time to go to school./ It's time for school.

　　32.It's two meters (years) long (high, old).
　　這個游泳池長50m,寬20m，深2.5m。
　　The swimming pool is 50 metros long, 20 meters wide, two and a half meters deep.
　　河里的冰有幾百米厚。
　　The ice in the river is several hundred thick.
　　中國的歷史有幾千年那么久遠。
　　For Chinese history, it's about thousands of years.

　　33.keep sb. doing
　　很抱歉讓你在這兒等這么長時間。
　　I'm sorry to keep you waiting for such a long time.
　　那個軍官讓士兵們在太陽下站一個小時。
　　The officer kept the soldiers standing in the sun for an hour.

　　34.keep/make sth. +adj.
　　在圖書館請保持安靜。
　　Please keep the library quiet.
　　這條消息使他們很難過
　　This piece of news made them very sad.
　　不要亂丟垃圾，請保持地面清潔。
　　No littering, keep the floor clean.

　　35.like to do / like doing
　　小孩喜歡跨過草坪玩兒，李老師常阻止他們這樣做。
　　Children like stepping into the grass to play, Mr. Li often stops them from doing that.
　　我喜歡聽輕音樂。
　　I enjoy listening to the light music.
　　我喜歡在閑暇時做些東西來豐富（enrich）我的生活。
　　I like to make something in my spare time to enrich my life.

　　36.make / let sb.(not) do sth.
　　別著急，讓我替你照看林濤。
　　Don't worry. Let me look after/ take care of Lin Tao for you.
　　那時，她媽媽讓她每周六都站在電影院門口賣花。
　　At that time, her mother made her sell flowers in front of the cinema
　　他們讓我們在雨中踢足球。
　　They make us play football in the rain.

　　37.neither…nor
　　惡劣的天氣和艱苦的條件都不能改變她在那里教書的想法。
　　Neither bad weather nor the poor condition could change her mind to teach here.
　　Jim和Tom都不打算開車去買菜。
　　Neither Jim nor Tom is going to buy vegetables by car.
　　我父母和姐姐中午都不在家吃飯。
　　Neither my parents nor my sister has dinner at home.

　　38.not…at all
　　他們昨天贏了申花隊，我一點也不覺得驚訝。
　　They beat the Shen Hua Team yesterday, but I didn't feel surprised at all.
　　他對從事的工作一點也不感興趣。
　　He is not interested in going in for research at all.
　　如果父母對孩子一點也不嚴(yán)格（strict），孩子的成績就會很快下降。
　　If parents are not strict with their children at all, their marks will come down quickly.

　　39.not…until
　　昨晚直到媽媽叫他去睡覺，杰克才停止玩電子游戲。
　　Jack didn't stop playing the computer games until his mum asked him to go to bed.
　　別擔(dān)心，直到雨停了他才回來。
　　Don't worry, he won't be back until the rain stops.
　　昨天晚上一直到12點我才睡著。
　　I didn't fall asleep until 12 o'clock.

　　40.One…the other…/Some… others…
　　他們倆一個來自澳大利亞，一個來自德國。
　　He can not only speak French but also speak fluent Germany
　　假如你想爬山，有兩種方式，一種是步行，一種是坐纜車(cable car )上去。
　　If you want to get to the
　　top of the Fragrant Hill, there are two ways. One is climbing up/ to climb to the top, the other is taking the cable car.
　　放學(xué)后許多學(xué)生參加課外小組活動,一些打籃球、另一些與外教練習(xí)英語。
　　After school a lot of
　　students take part in
　　some activities, some
　　go to the computer
　　group, some play
　　basketball, others
　　practice English with
　　the foreign teachers.

　　41.prefer…to
　　他喜歡坐火車旅行，而不是坐公共汽車。
　　He prefers traveling by train to traveling by bus.
　　我喜歡網(wǎng)上購物，而不是商店購物。
　　I prefer shopping on line to going shopping.
　　我寧愿買新的，也不愿修它。
　　I prefer buying a new one to mending it.

　　42.see/hear sb. do(doing) sth.
　　我看見他用一塊漂亮的布蓋在桌子上。
　　I saw him cover the desk with a piece of beautiful cloth.
　　當(dāng)我們過橋的時候，我們看到一個男孩掉入河中。
　　When we crossed the bridge, we saw a boy fall into the river.
　　我聽到有人大叫：著火了！
　　I heard someone shouting: "Fire!"

　　43.so…that
　　這個電影院太大了，沒幾個人能輕易找到入口處。
　　The cinema is so big that few can find the entrance to it easily.
　　這本字典太厚了，這個一歲半的加拿大小孩拿不動它。
　　The dictionary is so thick that the one and a half-year-old Canadian boy can't carry it.
　　我爸爸住得太遠，我們幾乎看不到他。
　　My dad lives so far that we can hardly see him.

　　44.spend…on /(in) doing sth.
　　我們每天花半小時聽英語。
　　We spend half an hour listening to English every day.
　　她花很多時間沖浪。
　　She spent lots of time surfing.
　　她花很多錢買衣服。
　　She spent much money on the clothes.

　　45.stop to do /stop doing
　　這些美味的蛋糕也沒能留住他。
　　Even these delicious cakes didn't stop him from leaving.
　　請你停下來聽我說好嗎？
　　Would you please stop to listen to me?
　　別這么吵鬧。
　　Stop making so much noise.