—I was at the cinema at 9 o’clock last night．What about you?
—I________at home．
| A．am watching TV |
| B．was watching TV |
| C．will watch TV |
| D．watched TV |
While the alien _______ a souvenir, the girl called the police.
| A．was buying | B．bought | C．buys | D．is buying |
I think _________ necessary for students to take an interest in all subjects.
| A．that | B．this | C．it | D．one |
Lanmon _________ here for almost ten years and he has many Chinese friends.
| A．has been | B．left | C．has come | D．came |
If everyone pours less polluted water into Dianchi Lake, it will be _______.
| A．deeper and deeper | B．cleaner and cleaner |
| C．dirtier and dirtier | D．wider and wider |
It’s raining outside! Put on your raincoat, ________ you’ll get wet.
| A．and | B．but | C．or | D．though |