把答案的编号写在相应的括号内。
(1)The air is dirty A because there are many cars.
(2)The traffic is heavy B because it’s clean an quiet.
(3)I like this city very much C because it is very noisy outside.
(4)I often go to this supermarket D because there are many factories
(5)The man can’t go to sleep E because it sells lots of different things..
(6)My grandparents like countryside. F because there are many park and libraries.
当你需要某件东西，却发现自己没带，你如何说：
A．Don’t worry.
B.I’m sorry.
C．Oh, too bad! I haven’t got
放学了，该回家了，你会对你的同学说：
A．School is over.
B.Let’s go home.
C．Look out of the window!
Good ______!
A. / B. idea C.look
What’s the weather like _______ xi‘an today .
A. in B.on C.\
How’s the _________.
A. weather B. like C.winter