用正确的介词完成句子

Our class is made ________　________ 45 students．

用正确的介词完成句子

The answer ________ the question has not been known yet．

用正确的介词完成句子

As time goes ________, you will find you are becoming stronger and stronger．

用正确的介词完成句子

Tom was always so lonely standing there ________ himself．

用正确的介词完成句子

As a teacher, you should learn how to deal ________ the naughty students in class．

用正确的介词完成句子

________ my opinion, you'd better give him a hand．

用所给词的正确形式填空

Mr．Johnson ended his speech by ________(wish)the Olympic movement a ________(success)future to match his ________(glory)past．

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After 32 years' ________(absent), the People's Republic of China returned to the Games at the 1984 Los Angeles．

用所给词的正确形式填空

The warm-________(heart)young woman helped us a lot while we were poor．

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Some young scientists are rewarded for their great ________(contribute)to the country．