【推荐1】During our trip to the Great Wall last week, I couldn’t stop thinking that building it ________ have been a huge project in ancient times.

A．should

B．must

C．could

D．need

【推荐3】—Few of my fellows passed the politics quiz this time on campus.
—How come? It ________ tough.

A．should be	B．might be
C．must have been	D．could have been

【推荐1】—Where is my storybook? I remember I put it here yesterday.
—You ___________ it in the wrong place.

A．must put

B．should have put

C．might put

D．might have put

【推荐3】During our trip to the Great Wall last week, I couldn’t stop thinking that building it ________ have been a huge project in ancient times.

A．should

B．must

C．could

D．need

【推荐1】My dictionary has disappeared. Who do you think ______ have taken it?

A．should

B．must

C．could

D．would

【推荐2】You________the work better, but you didn’t put more efforts to it.

A．must have done	B．can have done
C．should have done	D．could have done

【推荐3】Their team _____first prize in the 4×100 relay race, but the last runner fell down half way.

A．could get	B．must have got
C．must get	D．could have got

【推荐1】He       her daughter’s graduation, but he missed this important occasion.

A．should attend	B．should have attended
C．would attend	D．must have attended

【推荐2】— Mary’s got crazy and has been sent to the mental hospital. Did you tell her boss about that?
— Yes, but I _____ her husband first.

A．should have told	B．shouldn’t have told
C．must have told	D．needn’t have told

【推荐3】―It is reported that the award-winning work of New Concept Composition Competition   “Antique” is suspected of copying.
―I can’t believe the author ____ such a mistake.

A．must have made	B．need have made
C．should have made	D．could have made