There are different kinds of presents in the gift shop. I can’t decide _______.
| A．to buy what | B．to buy which |
| C．what to buy | D．which to buy |
---The girl is practicing English, ___________?
---Yes, she is. She is good at English.
| A．is she | B．isn’t she | C．is the girl | D．doesn’t she |
---___________ tall building it is!
---It has over one hundred floors.
| A．What | B．How | C．How a | D．What a |
Look at the picture. We are supposed to____________.
| A．show our love to our parents | B．protect the environment |
| C．work hard on our study | D．say thanks to our teachers |
More and more people have a low-C life and the air is _________ than before.
| A．good | B．more good | C．better | D．the best |
---You have to drink more hot water _________ you have a cold
---Thanks, I will.
| A．and | B．but | C．if | D．or |