He was made ________ his homework for three hours by his mother.
A. doing
B. to do
C. do
D. does
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My bike is broken! Why not have it _________?
A. repair
B. repairing
C. repaired
D. to repair
Could you tell me which _______ best among the books on sale?
A. is sold
B. are written
C. sells
D. writes
干室型泵房一般有地上和地下两层,地上结构和分基型泵房基本相同,地下结构为不能进水的干室。
A. 对
B. 错
干室型泵房可以用于水源水位变幅大于水泵的有效吸程的场所。
A. 对
B. 错