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Bill was doing a lot of physical exercise to build up his_______.

　 A. ability　　　　　　 B. force　　　　　　 C. strength　　　　　　　　 D. mind

When and where to go for the on-salary holiday _____ yet.

A. are not decided                                    B. have not been decided

C. is not being decided                             D. has not been decided

_____ money if you can and many poor children in the poor mountainous areas will be able to go back to school.

  A. Having given　　　 B. Given   　　　　 C. To give　 　 D. Give

He made a mistake, but then he corrected it _____ the situation got worse.

A．until　　　 B．when　　　 C．before　　　 D．a(chǎn)s

What’s the ____ of having a public open space where you can’t eat, drink or even simply hang out for a while?

A. sense B. matter　 C. case D. opinion

My neigh bours used to give me a hand in time of trouble, _______ was very kind of them.

A. who　　 B. which 　　 C. that　　 D. it

The clever boy made a hole in the wall, _______ he could see _____ was going on inside house.

A. which; what 　　　　B. through which; what

C. through that; what 　 D. what; that

Thank you for_____the trouble _______ me with the work.
A. having; helping      B. taking; helping
C. taking; to help      D. having; to help

“Where is Mother.” “She is in the kitchen. She _______ the housework all morning.”

A. is doing                                                B. was doing

C. has done                                              D. has been doing