—Where have you been these days?
—I have been to Bei Daihe with a friend .
| A．in Chinese | B．of Japan | C．of American’s | D．from Canada |
If more trees ______ planted, our city will be more beautiful.
A. were B. are C. will be
That man ______ be my English teacher. He has gone to Canada.
A. needn’t B. mustn’t C. can’t
－ ______ does your mother watch the Talk Show?
－ Once a week.
A. How long B. How often C. How soon
The students are helping the old man clean ______ house now.
A. her B. him C. his
It’s cold outside. You’d better ______ your coat.
A. put on B. take off C. put away