13．Jack does his homework _________ (care)，so he often gets poor grades．

12．There were some people _________ (injury)in the fire．

11．Would you mind _________(not smoke)in public?

10．You’d better be s_________：we’re not joking．

C)根据句意，用所给单词的适当形式填空。

9．--Have you w_________ yourself recently?　 一Yes, 58 kg．

8．U_________I am mistaken．I’ve seen you somewhere before.

7．He r_________ to go to the party and I had to go there instead.

6．This dish t_________ delicious，doesn’t it?

5．Can you _________(买得起)to buy the house?

B)根据句意和所给的首字母提示，补全句子中的单词。

4．Tom got on the bus _________ (立即)as soon as it arrived．