28.—I left my keys in the room yesterday. I had to get in ______ the window.
—It’s dangerous to do that.
A. in B. through C. over D. to
【答案】B。解析:考查介词的用法。in意为“在……里面”;through意为“通过”;over意为“在……上面”;to意为“往”;根据句意:——我昨天把钥匙丢在房间了。我不得不爬窗户去拿钥匙。——这样太危险了。故选B。
29.Bob never does his homework ______ Mary. He makes lots of mistakes.
A. so careful as B. as carefully as C. carefully as D. as careful as
【答案】 B。解析:因为该词修饰的是动词“做家庭作业”,所以要用副词。as+adj/adv原级 +as: 和...一样 ;not+as+adj/adv原级 +as:和...不一样/不如。句意:鲍勃不如玛丽做作业认真。他经常犯很多错误。故选B。
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