Can you imagine the difficulty that he had _____ the problems?A. to work out B.
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| Can you imagine the difficulty that he had _____ the problems? |
A. to work out
B. work out
C. worked out
D. working out |
答案
举一反三
| They forbid ______ during office hours. |
| [ ] |
A. to smoke
B. smoke
C. smoked
D. smoking |
| If you want to be a good writer, you should practice _____ every day. |
A. written
B. writing
C. to write
D. wrote |
— He admitted _____ in the exam.
— That"s why he was not admitted _____ universities or colleges. |
A. to cheat, by
B. cheating, to
C. to cheat, to
D. cheating, by |
| As a new driver, I have to practise _____ the car in my small garage again and again. |
A. park
B. to park
C. parked
D. parking |
| The rest of his life was devoted ___ pollution ___ more happily. |
| [ ] |
A. to prevent, to live
B. to protecting, from living
C. to protect, from living
D. to preventing, to live |
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