You will be required to ________ Mrs．Smith in preparing a report．

A．assist

B．help

C．offer

D．afford

The horrible scene after the big earthquake was deeply ________ upon my mind．

A．affected

B．expressed

C．presented

D．impressed

He gave me a good ________ of what he had seen．

A．describes

B．description

C．descriptive

D．describing

It was ________ that he knew nothing about the event．

A．afraid

B．amazing

C．amaze

D．amazement

－If he ________, he ________ that food．

－Luckily he was sent to the hospital immediately．

A．was warned; would not take

B．had been warned; would not have taken

C．would be warned; had not taken

D．would have been warned; had not taken

He ________ you more help, even though he was very busy．

A．might have given

B．might give

C．may have given

D．may give

－Where is Jack?I can’t find him anywhere．

－He ________ his homework upstairs．

A．might have done

B．must have done

C．might be doing

D．must do

My parents never remember my telephone number, and they always ________ look it up．

A．must

B．can

C．should

D．have to

She ________ into the thick forest alone on such a dark night．

A．dares not go

B．dares not to go

C．dare not to go

D．doesn’t dare to go

I’ve decided to take the job and I ________ change my mind．

A．mustn’t

B．can’t

C．won’t

D．may not