I began watching here an hour ago, but now nothing ________ yet.

A. happens    B. will happen    C. happened        D. has happened

 _____I was in the US, I made a lot of American friends.

   A. while            B. Although          C. Unless   D. Until

 Everyone in the hall knew me, but I did not know ________.

A.  him        B. her     C. them            D. those

_________ this rock music, please. I’m afraid some people can’t stand the noise!

A Stopping　　 B. Stop　　 C. Stops　　　　　 D. Stopped

 We make it a rule that each of us _________ the bedroom one day a week.

A. has cleaned    B. have cleaned    C. cleans         D. clean

 David suddenly felt nervous. ___________, it was his first time to go on stage.

A. At least       B. After all       C. At once         D. At all

-- What about going to the South Lake for a picnic next weekend?

-- OK. But I’m not sure _______ it will rain.

A. why　　　　 B. where　　　 C. when　　　　　 D. whether

 I hope Tim can come to my birthday party. Then we ____ a much happier time.

   A. have         B. had      C. will have     D. have had

 Linda has bought a large house _______ a swimming pool.

A  with        B. in       C. on         D. from

---Hey, July.　　　　

--- ____________?　

--- I need your help.

A. Oh, really　 B. What’s up　 C. How are you　　 D. All right