While watching television,__________.
| A．the doorbell rang | B．the doorbell rings |
| C．we heard the doorbell ring | D．we heard the door bell rings |
________ you are free tonight, why not go to the movies with me ?
| A．As if | B．Even if | C．As for | D．Now that |
_______ for the dog. You’d better __________ it.
| A．Look out; get away with | B．Watch out; get away from |
| C．Block out; get close to | D．Be careful; get out of |
______ seems strange to us is _______ the troublesome boy is getting along well with his teachers now.
| A．It; that | B．What; how | C．It; how | D．What; that |
Keep on trying, ______you’ll succeed ___________
| A．and; on time | B．or; at one time | C．and; in time | D．or; all the time |
. ----Do you think our basketball team played very well yesterday?
----- Yes! _________________.
| A．They were not nervous at all | B．They are still young |
| C．They played hardly | D．They couldn’t have played better |