You have to eat _____food and take _____exercise if you want to be thinner and healthier.
| A．less; less | B．less; more |
| C．more;more | D．more;less |
________ bad news!
| A．What | B．How | C．What a | D．How a |
There is ________”h” and ________”u” in the word “hour”.
| A．an ; a | B．a ;an | C．a ; a | D． an; an |
–Must I finish my homework tonight?
-No, you______.
| A．Can’t | B．Mustn’t | C．needn’t | D．may not |
It’s difficult _____ your sound because the noise is too high.
| A．to listen | B．to know | C．to learn | D．to hear |