— Wolves are really dangerous animals.

—_________. But they are friendly if people leave them alone.

A. Sounds interesting B. I can’t agree　 C. Maybe you’re right D. I am afraid not

_____of giant pandas is getting _______ because their living areas are becoming farmland.

A. The number, larger and larger B. A number, larger and larger

C. The number, smaller and smaller　　 　　 D. A number, smaller and smaller

－Why not go to see the dolphin show with me?　

－Because I _______ it.

A. saw　　 　　　　　 B. will see　　 　　　　　 C. see　　　 　　　　　　　　　　 D. have seen

－Have you written anything on Chinese traditional food so far?

－__________, but I have a plan for it.

A. Ever since                 B. Later on                C. Not yet                 D. From now on

－Excuse me, does Mr Smith’s son live here?

－He _________ be here, but he has moved.

A. has to                      B. used to                C. tried to                D. happened to

Today the forests are getting fewer and fewer. We must ________ down too many trees.

　 A. keep people from cutting　　 　　　　　　　　　 B. prevent people from cutting

C. stop people cutting D. all the above

 Hurry up!  The plane _________ at 6:50 a.m.

   A. is starting              B. be going to start     C. start                   D. starts

 Our teacher is coming. Please stop _______ and keep __________.

   A. talking; quiet          B. to talk; quiet          C. talking; quietly       D. to talk; quietly

 ________, my parents left me at home _______ my own when they went out.

   A. As usual, on          B. Usual, on           C. As usual, in           D. Usual, in

When the earthquake came, some people ran out of their houses _________ while the rest _______trapped.

　 A. softly, was B. gently, were C. quietly, was　　　　　　 　　　 D. wildly, were