— Why didn't you stop her going swimming alone?
— She had left the room _____ I had time to do it．
A．after B．before C．till D．as
My sister has bought a new car ________ color is bright red.
A．its B．that C．whose D．which
— ______ him off tomorrow, or you will regret it. — I will.
A．To see B．Seeing C．If you don’t see D．See
The hall was full of people _____ to see the famous actor.
A．anxious B．enthusiastic C．patient D．frightened
After ________ dinner, Stephanie likes to play ________ guitar for a while in the garden.
A. a; a B. 不填; the C. the; a D; 不填;不填
假如你叫周凯，你的美国笔友Tom想了解你如何保持健康的(keep fit)，你乐意与之分享(share…with)。请根据下列信息写一封回信，谈谈你保持健康的秘诀。
1. 首先，健康的饮食习惯很重要；
2. 母亲确保你吃得健康( make sure )；
3. 你不喜欢甜食 (have a sweet tooth) ，吃更多水果、蔬菜和鱼；
4. 其次，锻炼也很必要(take exercise)；
5. 你酷爱足球，(be crazy about)是班队的队长并且每天至少锻炼两小时。
注意：1. 词数80左右，开头和结尾已给出，不计入总次数。
2. 可适当增加细节，以使行文连贯流畅。
