He has to be _____ bed _____ nine o"clock.[ ]A. at; at B. to; by C. in; by D
题型：同步题难度：来源：
| He has to be _____ bed _____ nine o"clock. |
| [ ] |
A. at; at
B. to; by
C. in; by
D. by; at |
答案
| C |
举一反三
| 根据句意用适当的介词填空. |
1. Sally is often late _____ school.
2. Lisa,what are you listening _____ now?
3. I have to go _____ bed by 9:00 p. m.
4. Emily, what do you usually do _____ Sundays?
5. Peter often helps me _____ my lessons. |
―When are you going there?
―I am going there______ May, the 12th. |
| [ ] |
A. in
B. on
C. at
D. for |
| Welcome _____ Hawaii. It"s a good place _____. |
| [ ] |
A. to, to relax
B. for, relaxing
C. in, relaxes
D. at, relaxed |
—When do you go shopping?
—I usually go shopping _____ Sunday morning. |
| [ ] |
A. on
B. in
C. at
D. for |
—How long are you staying?
—I"m staying ______ a month. |
| [ ] |
A. for
B. at
C. in
D. during |
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