— I’ll return the book to Mary, but I can’t find her anywhere.

  —She ______ the teacher’s office. You can find her there.

A. has left       B. was away         C. has gone to         D. has been to

—What do you think of the dish?

   —It is sweet and sour, but isn’t __________.

A. crisp enough      B. crispy enough     C. enough crisp        D. enough crispy

—Would you like to go to the concert with me tonight?

—I’m sorry I can’t. Mother won’t ________me to go out in the evening.

A. let                                     B. allow                                 C. offer                                 D. ask

 —Do you often get online?

   — Yes. I ______ lots of time on it. It’s a good way to kill time.

A. cost                    B. spend             C. take                  D. pay

—Our City Park 　　　 in 1998.

   —Wow, it has the same age as me.

A. built             B. is built           C. has built            D. was built

—I think I won’t pass the exam, and my parents will be angry with me.

   —_____________. You have tried your best.

A. Well done.        B. That’s all right.    C. Take it easy.         D. No problem.

 — Look, the light in the living room is still on.

   —Oh, I forgot _______.

A. turning it off       B. turn it off        C. to turn it off         D. having turned it off

—Did you go to the Old People’s Home yesterday?

   —Yes. I am a __________ of our school. I like helping people.

A. tourist            B. inventor         C. singer              D. volunteer

—Do you know when we can go back home?

   —Sorry, I don’t. Because of the heavy snow storm, highways have been blocked and flights have been __________.

A. put up            B. put off            C. taken off           D. taken up

— Is Mr. Smith driving here?

   —I’m not sure. He ______ come by subway.

A. may              B. shall             C. need           D. must