The country has already sent up three unmanned spacecraft，the most recent　　　　 at the end of last March.?

A.has been launched　　 B.having been launched?

C.being launched　　 D.to be launched

The_______waiter came up to us and said, "You are welcome."
　 A. smiling        B. smiled         C. smile        D. to smile

-------So, you must help him whenever he is in trouble.
------- Of course,_______ we are good friends.
      A．no doubt B．after all  C．in that case     D．in this way

How many _____ would you like?

　 A. orange 　 B. bottle of orange

　 C. a bottle of orange 　 D. bottles of orange

—Someone wants you on the phone.

—_____nobody knows I am here.

A. Although　　　　　　 B. And　　　 C. But　　　　 D. So　

A 　　　　 in taxes is necessary if the government is to improve the public service system.

　 A.raise 　　　　　 B.rise　　　 C.fall 　　　　　　 D.decrease

This box is _____ that one.

A. twice more heavier than　　　　 B. twice heavier than

C. twice as heavier as　　　　　　 D. as twice heavy as

What a terrible experience! _____ , you are safe, that's the main thing.

　　A. Somehow 　　B. Anyhow 　　 C. Somewhat 　　D. Anywhere

--How is your tour around the North Lake?Is it beautiful？

---It______be,but it is now heavily polluted.[2007全国]

A will　　 B. would　　 C. should　　　　 D.must

Wang Wei is one of many Chinese students _______ “on the go’.

A. who lives life         　　　B. who live life

C. that lives living      　　　D. that live living