—Do you think he will do me a favor?

   — As far as I know, he is the last one to help others. He______be prepared to give you a hand, though.

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

    A computer_____think for itself, it must be told what to do.

    A.can’t              B.couldn’t         C.may not          D.might not

Look at that little boy wandering about — perhaps he _____ his mother.

    A. will lose            B. is losing    C. had lost             D. has lost

—Such a mistake could have been avoided.

   —Unfortunately, he _______ the mistake again and again.

   A．repeated　　　　　　　　　　     B. would repeat

   C．had repeated　　　　　　　　      D. would have repeated

I didn’t get into the two-hour quarrel; I know how it _________, though.

   A. would break out         B. has broken out          C. was breaking out              D. had broken out

—Miss wang once        art at Bardon School for ten years and now is a singer.

—No wonder I often hear her sing in the garden.

A. had taught           B. taught             C. is teaching       D. has been teaching

Months ago we sailed ten thousand miles across the open sea, which_____ the Pacific,and we met no storm.

A. was called          B. is called      C. had been called        D. has been called

It was the man______ on the bed with his eyes open who_____the book open on the desk just now.

A. lain; lay    B.lying ;laid     C.lay; lay     D.lying ;lied

I can ______ some noise while I’m studying, but I can’t stand very loud noise.

A. put up with              B. get rid of  C. have effect on    D. keep away from

Mike Perham,a 17-year-old British teenager, finished his solo round-the-world sailboat trip last week, becoming the youngest person in the world to      that.

A. achieve          B. try          C. devote            D. conduct