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Jenny　　 have kept her word.I wonder why she changed her mind.

A、must　　 B、should　　 C、need　　　 D、would

His attempts to invent a new machine________nothing.

A．resulted in B．led to　　　　　 C．caused 　　 D．contributed to

____ late in the morning, Bob turned off the alarm.
A To sleep    B. Sleeping    C. Sleep    D. Having slept

-----I’m afraid we can’t have him _____ the material in this way.　　

-----We should have him ____ at once. I think.

A. waste; training 　 B. wasting; trained

C. wasted; train 　 D. waste; to train

My father warned me 　　 going to the West Coast because it was crowded with tourists.

A. by 　　B. on 　 C. for 　 D. against

My father is a(n) ________ man, who never breaks his promise, so you can trust him.

A. reliable　　 B. independent　　　 C. stubborn　　　 D. Determined

----Has Tommy finished his homework yet??

----I have no idea; he ____ it this morning.

A. was doing 　 B. had been doing

C. has done 　 D. did

The door remained_____after the discussion was over.　 A.shutting　 B.to be shut　 C.shut　 D.to shut

The project had to be abandoned largely _______a lack of government funding.

A. according to B. due to 　C. in the name of　 D in the eyes of