— There are still many old city walls in Xi’an, _______?
—Yes, there are.
| A．are there | B．aren’t there |
| C．are they | D．aren’t they |
—Whose purple coat is this?
—It ____ be Lily’s. Hers is red. It _____ be Lucy’s. She likes purple.
| A．must; may | B．may; must |
| C．can’t; may | D．mustn’t; must |
—Our country is becoming _______.
—Yes. We all love it.
| A．stronger and stronger | B．more and more strong |
| C．the strong; the strong | D．strongest and strongest |
—Look, Victor. This brown cat is ________ than that white one.
—Yes. And it is _____ of all these cats.
| A．big; big | B．bigger; bigger |
| C．bigger; big | D．bigger; the biggest |
—I think pop music is pleasant.
—_________ I think it is just so-so.
| A．I think so. | B．I don’t think so. |
| C．I agree with you. | D．Yes, you are right. |