The gentleman ________ you told me yesterday proved to be a thief．

A．who

B．about whom

C．whom

D．with whom

Now he failed again．He ________ but he didn't．

A．should work hard

B．should have worked hard

C．shouldn't work hard

D．shouldn't have worked hard

They finally got to the mountain village ________ the red battle．

A．which saw

B．where was

C．which was

D．where saw

________ is the inventor of the first cellphone?

A．Do you think who

B．Whom do you think

C．Do you think whom

D．Who do you think

A terrible fire ________, however, break out in his house the other day．

A．does

B．did

C．has to

D．had to

We ________ for her because she never came．

A．mustn't have waited

B．shouldn't have waited

C．mustn't wait

D．needn't wait

－You missed a golden chance．

－Yes, I ________ that job when it was offered．

A．shall take

B．should take

C．shall have taken

D．should have taken

Mr．White ________ at 8∶30 for the meeting, but he didn't show up．

A．should have arrived

B．should arrive

C．should have had arrived

D．should be arriving

Next came a horse, swimming bravely, but we were afraid that the ________ of the current(水流)would prevent its landing anywhere before it became exhausted(耗尽的，疲惫的)．

A．power

B．force

C．strength

D．energy

Paul ________ Rose at the first sight at his friend's party．But after his offer of love of the girl was turned down for several times, he ________．

A．lost heart to; lost heart

B．lost his heart; lost his heart

C．lost his heart to; lost heart

D．lost heart to; lost his heart