As we know，signals travel at　　　 speed of light，but my car runs only at　　　 speed of 80 km/h.

A.the；the　　　 B.a；a　　　　　 C.a；the　　　　　　 D.the；a

她很少表露她的感情。(give expression to)

Begun in 2003, the bridge was f _______ opened in 2006.

The door of the house remained _______ for several days. Where is its owner?

A. locking　 　 B. locked

C. to lock　 　　 D. locks

—James didn’t turn up last night，did he?

—No.He________.We had changed our plan.

A．should’t have come B．needn’t have come

C．didn’t need to come D．needn’t come

____ it rain tomorrow, we would have to _______ the picnic.

  A. Would; put forward     B. Should; call off

  C. Will; give up          　 D. Should; put up

Careless mistakes result from a lack of 　　　　 (专心).

The next thing he saw was smoke　　　 from behind the house.

A.rose　　　　　 B.rising　　　　 C. to rise　　 D.risen

开始的时候我考虑乘火车去,后来决定坐飞机。(consider)

Before the war broke out, many people ____ possessions they could not take with them.

A、threw away B、put away C、gave away D、carried away