—No, I’m afraid he isn’t in. This is his secretary speaking. Can I help you? —____
| A．Oh, you will. | B．Oh, that’s a pity. |
| C．I should think so. | D．Well, I look forward to hearing from you. |
13. — How do you keep fit?
— By having a healthy diet and _________ regularly.
| A．turning out | B．working out | C．giving out | D．going out |
12. Having finished their morning work, the clerks stood up behind their desks, ________ themselves.
| A．expanding | B．extending | C．expressing | D．Stretching |
11. ________ no need for us to discuss the problem again. It has already been settled.
| A．It has | B．There is | C．It is | D．There has |
10. — How old are you, madam?
— If you _______ know, I’m twice my son’s age.
| A．can | B．must | C．may | D．Should |
9. We forbid _____ in the reading room. That is, you are forbidden _____ in the reading room.
| A．to smoke; to smoke | B．to smoke; from smoking | C．smoking; smoking | D．smoking; to smoke |