Experts have been warning _________ of the health risks caused by passive smokin
题型：同步题难度：来源：
| Experts have been warning _________ of the health risks caused by passive smoking. |
| [ ] |
A. at a time
B. at one time
C. for some time
D. for the time |
答案
| C |
举一反三
| If you keep on, you"ll succeed____________ . |
| [ ] |
A. in time
B. at one time
C. at the same time
D. on time |
It"s so kind of you to help us. Without your help, we couldn"t have finished the work___________.
|
| [ ] |
A.in a time
B. at no time
C. ahead of time
D. behind time |
Without facts,we can"t form a correct opinion, for we need to have actual knowledge___________
our thinking. |
| [ ] |
A. which to be based
B. which to base on
C. on which to base
D. where to base on |
-He"s no use at all.
-__________,I have found him a great deal of use. |
| [ ] |
A. Generally speaking
B. Believe it or not
C. First of all
D. On the contrary |
-How do Americans like to be called?
-Most of them don"t object ________ them by their first names. |
| [ ] |
A. to call
B. for calling
C. to calling
D. that I call |
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