Would you mind my sitting here? ______. It’s for your teacher.
| A．You’d better not | B．Of course not |
C．Not at all | D．No problem |
He said that he _____ to Canada a few years ago.
| A．had been to | B．have been to |
| C．went | D．go |
—We really shouldn’t use plastic bags any more when shopping.
—_____ It’s important to protect our environment.
| A．So do I. | B．With pleasure. |
| C．That’s OK. | D．So it is. |
Our country _____ progress in science and culture in recent years.
| A．made such | B．has made such |
| C．made so | D．has made so |
—What did our geography teacher say?
—She told us that the earth _____ around the sun.
| A．moves | B．moved |
| C．has moved | D．was moving |
When we went into the park, we saw someone _____ Chinese Kungfu.
| A．plays | B．played |
| C．to play | D．playing |