______, the teacher dismissed all of them.A. Having cleaned the classroom B. Cle
题型：专项题难度：来源：
| ______, the teacher dismissed all of them. |
A. Having cleaned the classroom
B. Cleaned the classroom
C. After cleaning the classroom
D. After they had cleaned the classroom |
答案
举一反三
| By the time he arrived in Beijing, we _____ there for two days. |
A. will have stayed
B. stay
C. have been staying
D. had stayed |
| When we first met on a train in 2000, we both felt immediately that we _____ each other for years. |
| [ ] |
A. know
B. had known
C. know
D. have known |
| Catherine came home happily, which suggested that she _____ the final exam. |
| [ ] |
A. had passed
B. pass
C. would pass
D. should pass |
— How were things going that day?
— We were really tired out. We _____ 10 hours before we got to the village. |
| [ ] |
A. had walked
B. were walking
C. walked
D. have walked |
| When the old man ____ to walk back to his house, the sun ____ itself behind the mountain. |
[ ] |
A. started; had already hidden
B. had started; had already hidden
C. had started; was hiding
D. was starting; hid |
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