_________ is known to everybody,the moon travels round the earth once every month.
| A．As | B．It | C．What | D．Which |
When deeply absorbed in work, ___he often was, he would forget all about eating or sleeping.
| A．that |
| B．which |
| C．where |
| D．when |
He missed ___ gold in the high jump, but will get ___ second chance in the long jump.
| A．the; the |
| B．不填;A |
| C．the; a |
| D．a;不填 |
Jim managed to get into his house without the key. ___?
| A．What for |
| B．Guess how |
| C．So what |
| D．Who knows |
—You have a beautiful garden. May I have a look around it?
—I’m glad you like it.Go ahead if ___.
| A．you want |
| B．you want to do |
| C．you want to |
| D．want |
Some of you have finished Book One. ___, you can go on with Book Two.
| A．If you may |
| B．If you do |
| C．If not |
| D．If so |