Betty will ring me up when she ________ in Beijing.

　　　 A. arrive　　　　　 B. arrives　　　　　 C. arrived　　　　 D. will arrive

We don’t know ________ it next. Let’s go and ask Mr. Li.

　　　 A. what to do　　　　 B. to do what　　　 C. whether to do　 D. to do whether

 I’m glad to find that many trees ________ in our city last year.

       A. plant                        B. planted                     C. were planted      D. are planted

The more you smile, the ________ you will feel.

　　　 A. happy　　　 B. happier　　　 C. happily　　　 D. more happily

. –Mr. Wang, can I finish my homework tomorrow?   --Sorry, you ________.

       A. can’t                        B. don’t                        C. needn’t             D. won’t

The government of Chongqing is building ________ cheap and good houses for the people.

　　　 A. thousand　　　　 B. thousands　　 C. thousand of　　　 D. thousands of

. –________ is that man over there?    --He is Dick’s uncle.

       A. Where                      B. What                        C. Who                 D. Which

________ may have a chance to be successful if he tries his best.

       A. Somebody                B. Everybody                C. Nobody             D. None

. I called you, but nobody answered. Where ________ you?

       A. is                            B. are                           C. was                 D. were

John, work hard ________ you will make much progress.

       A. or                                   B. nor                          C. but                   D. and