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