He worked hard and achieved what he set out to do, but ________ what he had owned, including his health and his marriage.
A. at the mercy of B. at the risk of
C. at the cost of D. at the service of
It saves time in the kitchen to have things you use a lot________easy reach.
A．near B．upon C．within D．around
—It’s difficult to tell this picture from that one.
—Yes.The differences between the pictures are very________.
A．broad B．narrow C．slight D．impressive
-Mary, would you like to come to my birthday party? -_____.
A. Of course, you could B. Sure. Go ahead
C. Sorry, you may not D. No, you mustn’t
—Don’t press the button，John.
—What if I________？
A．did B．would C．will D．shall
假设你是李华。你的澳大利亚笔友John计划在7月18日至24日来北京旅游，希望你帮他安排住处和活动内容，请根据以下内容给他回一封100词左右的信。信的开头及结尾已为你写好。
1．可以住你家，你哥哥恰在此期间外出。
2．主要活动内容：长城（一天），北海公园和你的学校（一天），颐和园（一天），故宫和天安门（一天），购物或做其他（一天）。
3．可去机场迎接，希望告知抵京的时间和航班。
参考词汇：故宫 — the Forbidden City
Dear John,
I’m so glad to know that you are coming to Beijing.
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