Tom,you and I could hardly work out the mathematic problem, _______?
| A．could you | B．couldn’t I | C．couldn’t we | D．could we |
Please fill in your name and address here. We’ll call you when the book _________.
| A．has returned | B．returns |
| C．will be returned | D．has been returned |
Most workers are in _________ habit of having _________ quick lunch in the company every day.
| A．the; 不填 | B．the; a | C．a; a | D．a; 不填 |
--Thanks for your help.
--_________.
| A．Go ahead | B．All right | C．Don’t mention it | D．Never mind |
—The weather here in summer is so changeable. Please take an umbrella when you go out.
—________.
| A．Well, don’t worry | B．Well, it just depends |
| C．Oh, take it easy | D．OK, just in case |
Our teacher looked here and there on the playground ________looking for something.
| A．even though | B．as if | C．even if | D．only if |