She brought with her three friends，none of ________ I had ever met before.
A.them B.who C.whom D.these
The old town has narrow streets and small houses _____are built close to each other．
A.they B.where C.what D.that
—What would you do if it ______ tomorrow?
—We have to carry it on, since we’ve got everything ready.
A.rains B.rain C.will rain D.is raining
I told you ______ that car, and now look and see what has happened.
A.not buy B.not to buy C.don’t buy D.not buying
He asked ____ for the violin.
A. Did I pay how much B. I paid how much
C. how much did I pay D. how much I paid
假定你是李华。你市最近天气变化大，许多市民都因此患了感冒。请你用英语给在你市留学的美国朋友Susan写封信，提醒他采取措施，预防感冒。内容包括：
1．关注天气变化，及时加衣物；
2．适当运动，注意饮食；
3．避免与感冒患者接触。
注意：1．总词数100左右；
2．可以适当增加细节，以使行文连贯。
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