“Is there a flight to London this evening？” “There _______ be. I’ll phone the airport and find it out.”

    A. must                 B. might  C. would                D. can

—The woman biologist stayed in Africa studying wild animals for 13 years before she returned.

— Oh, dear! She _________ a lot of difficulties!  

A. may go through                           B. might go through

C. ought to have gone through         D. must have gone through

— Isn’t that Ann’s husband over there ?

— No, it _____ be him — I’m sure he doesn’t wear glasses.

A. can’t         B. must not        C. won’t      D. may not

— The woman biologist stayed in Africa studying wild animals for 13 years before she returned.   

— Oh, dear ! She ______ a lot of difficulties !

A. may go through                  B. might go through

C. ought to have gone through         D. must have gone through

How I wish every family ______ a large house with a beautiful garden !

A. has        B. had         C. will have       D. had had

—Where ____ Margaret have put the empty bottles?

         —She ______ them away. They must be somewhere.

         A．can; can’t have thrown     B．must; needn’t

         C．must; must have thrown  D．can; must throw

— Write to me when you get home.  

— __________.

A. I must        B. I should         C. I will        D. I can

The next day, the group of villagers had not gone very far ____ they entered a very narrow passage between two mountains.

A. after            B. when              C. until            D. while

He suggested the person referred _______ put into prison.

   A. is              B. be           C. to be           D. should be

　He is a man of few words, and seldom speaks until _____ to.

　　A. spoken    B. speaking?C. speak    D. be spoken