21. --- Why don’t you like your job ?
--- It’s always being ___by my director .
| A．watched at | B．watched out | C．watched over | D．watched on |
---Try not to work yourself too hard. Take it easy.
--- Thanks. _________
| A．So what? | B．No way | C．What for? | D．You， too. |
—The trip shouldn’t take more than an hour.
—_______.It is at least two hours.
| A．I guess so | B．That’s it |
| C．You must be joking | D．It depeds |
—I’m sorry for being late. I should have phoned you earlier.
--_________. I’ve just arrived.
| A．That’s no trouble | B．You are welcome |
| C．That’s all right | D．You can never tell |
—Goodbye, John. Come back again sometime.—Sure. ______.
| A．I did | B．I do | C．I shall | D．I will |
—Excuse me. How much is the shirt?
— _______.
| A．Extra Large | B．50 each | C．It sells well | D．Altogether there are 5 |