Ombama ___________(取代)Bush as American President last year.

 The number of foreign students attending Chinese universities ________ rising steadily since1990. 
 A. is         B. are         C. has been         D. have been

这两个相似的手势竟然表达了如此不同的含义，让我感到很惊讶。(similar)
___________________________________________________________

It is believed that _____ European scientist invented _______.　　　

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

After he _____ from the prison, he decided to _____ a new life.

　　A. was set free; live B. set free; have C. was set freely; lead D. set freely; make

______ has been announced,we shall have our final exams next month.

A.That

B.As

C.It

D.What

The news reporters hurried to the airport, only_____the film stars had left.

A．to tell　　　　　　　　 　　 B．to be told

C．telling　　　　　　　　 　　 D．told

I have no idea ____ the journalist could have got his in-formation from.

A．that　　　　　 B．why　　　　 C．which　　　 D．where

Some policemen should be sent to____them___.

　 A. present; to cut down　　　　　　　　 B. stop; cutting down

　 C. keep; cut down　　　　　　　　　　 D. keep; cutting down

Glad to see you back. How long ________ in Russia?
A. did you stay　        B. have you stayed      C. were you staying　     D. have you been staying