20.My little brother is very ,so he often makes mistakes.( )
| A. | careful | B. | careless | C. | care |
19.Our school has fifty-six teachers.( )
| A. | woman | B. | women | C. | woman's |
18.-Look at the man in blue!Do you know ?
-Oh,he is a policeman.( )
-Oh,he is a policeman.( )
| A. | what does he do | B. | what he does | C. | how he does |
17.-Hi,Jack!Could you come to our English party?
-Sorry,I .I have to look after my little sister at home.
-Sorry,I .I have to look after my little sister at home.
| A. | must | B. | could | C. | can't |
16.--I came first in the long jump.
---_______,I'm so proud of you.( )
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---_______,I'm so proud of you.( )
| A. | Good luck | B. | Have fun | C. | Well done | D. | You're joking |