从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1. When he was a boy, he used to go there and watch _____.
A. to repair bicycles
B. bicycles to be repaired
C. bicycles being repaired
D. repairing bicycles
2. - Have you considered _____ your job as a teacher?
- Yes. I like the job because a teacher is often considered _____ a gardener.
A. to change; to be B. to change; being
C. changing; being D. changing; to be
3. The dog, _____, will be made a good watchdog.
A. to train properly B. being trained properly
C. properly to train D. trained properly
4. _____ the diamond, he had to look for a place to hide it.
A. Having stolen B. Having been stolen
C. Stolen D. Stealing
5. _____ the front door _____, he had to enter the room through the back door.
A. Seen; painted |
