—How many _____ are there in your class?
—About 63.
| A．childs | B．childrens |
| C．children | D．child |
David watches TV six hours a day and eats much junk food, but he never exercises. So he is ___.
| A．healthy | B．unhealthy | C．serious | D．smart |
— Can you tell me ___ it is from here to the history museum?
— It’s about half an hour’s walk.
| A．how much | B．how often | C．how long | D．how far |
If you want to speak English well, it’s ___ for you to practice as often as you can.
| A．necessary | B．different | C．famous | D．serious |
—How are you feeling today?
—Much ___. I think I can go to school tomorrow.
| A．better | B．well | C．good | D．best |
Jack never stops talking. He is much ___ than his brother.
| A．outgoing | B．more outgoing | C．outgoinger | D．outgoingest |