题目内容

A.oneB.sonC.aloneD.front

A. one
B. son
C. alone
D. front

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答案为：

A. Therefore
B. Instead
C. Indeed
D. After all

Mary saw her son_________the piano when she came to the room．

A. playing
B. play
C. played
D. to Cay

A.carefulB.slowC.fastD.appropriate

A. careful
B. slow
C. fast
D. appropriate

A.muchB.oftenC.notD.very

A. much
B. often
C. not
D. very