―Why? Where is the key to the sound lab?

    ―Dear me! You _______ it in the taxi！

A. have never left     B. never left

C. haven’t left       D. didn’t leave

--- Haven't I told you that I like the beef well done?

---Yes, but I _____ it longer than I usually do.

A. was cooking B.will cook  C. cooked D. had cooked

---- If it hadn’t been raining so hard, I might have been home much earlier.

   ---- It’s too bad you _____ it. Nancy _____ here and she _____ to see you.

  A. didn’t make; is; was 

  B. won’t make; will be; wants

  C. didn’t make; was; wanted

  D. wont’ make; would be; wanted

It is _____honor for Mrs. Black to be invited to act as an hostess at the party.

A. an   B. a   C./    D. the

Those _____ to go to the exhibition should inform the office.

   A. not wanting B. who not want C. not wanted D. are not want

During the tourist season, there are many people wandering in this city to see the old castles_____ in the sixteenth century.

   A. to be built    B. being built

   C. having been built        D. built    

Modern science and technology has _____ communication between people far apart.

A. made convenient   B. made it convenient

C. made it convenient for   D. made it convenient to

About how many elements _____ make up most of the substances we meet in everyday life

A. it is which  B. what it is  C. is it that  D. it is that

With the worldwide oil crisis, the price of oil has been raised ______ 15%.

      A. about B. with C. of D. by

________evidence that language acquiring ability must be stimulated.

A. If being     B. It is   C. There is   D. There being