Ann is so careful that she always goes over her exercises to ______ there are no
题型：同步题难度：来源：
| Ann is so careful that she always goes over her exercises to ______ there are no mistakes. |
| [ ] |
A. look for
B. make sure
C. find out
D. think about |
答案
举一反三
| This important meeting started ______ National Song. |
| [ ] |
A. to
B. for
C. with
D. about |
| You must concentrate more ______ your English. |
| [ ] |
A. to
B. in
C. on
D. at |
| We should learn ______ each other. |
| [ ] |
A. to
B. from
C. for
D. of |
| Mrs. Brown isn"t here. She has to ______ her baby at home. |
[ ] |
A. look at
B. look for
C. look like
D. look after |
— There is a ticket on the floor, is it yours?
— Oh, yes, it"s mine.
— Let me _____ for you. |
| [ ] |
A. to pick up it
B. to pick it up
C. pick up it
D. pick it up |
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