The train is running ________ 120 kilometres an hour.[ ]A. at a speed B. at
题型：同步题难度：来源：
| The train is running ________ 120 kilometres an hour. |
| [ ] |
A. at a speed
B. at the speed
C. at a speed of
D. on a speed of |
答案
| C |
举一反三
| He thought ________ of the love that had made him sad. |
| [ ] |
A. for an instant
B. of an instant
C. about an instant
D. over an instant |
| It"s not _____ you to be so quiet－are you all right, my love? |
| [ ] |
A. like
B. for
C. against
D. with |
| They are having a meeting, so they are busy ________. |
| [ ] |
A. at present time
B. at the present times
C. at present
D. in the present |
| We are now going all out in order to finish the task ________. |
| [ ] |
A. in advance
B. ahead of time
C. ahead time
D. get ahead |
| ________ follow the buffalo, the Indians often had to move their camps. |
| [ ] |
A. In order to
B. So as to
C. In order that
D. So that |
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