----It’s traditional in China to firecrackers on Spring Festival.
----But the serious smog（雾霾）nowadays needs us to stop it.
| A．give out | B．set off | C．put off | D．show off |
----Could you tell me _____? I must find him.
----Sorry. I have no idea. But he was here just now .
| A．where Tom was | B．where has Tom gone |
| C．where can I find Tom. | D．where Tom is |
---I eat _____ vegetables and ______ meat than I did last year.
----That's why you're getting fatter.
| A． fewer, more | B．more, less | C．less, more | D．many , much |
The accident happened ______ a freezing winter morning.
| A．on | B．in | C．at | D．since |
----The pen writes well though it doesn't cost much.
---- Let me have a try. So _____.
| A．it is | B．it does | C．does it | D．is it |
---Does the child need any help?
----No. He is old enough to _____ himself.
| A．put on | B．wear | C． take care. | D． dress |