While _______ across the street, you should be careful.[ ]A. walk B. walking
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While _______ across the street, you should be careful. |
[ ] |
A. walk B. walking C. being walked D. walked |
答案
B |
举一反三
The heaviest snow continued to fall, _____ traffic jam. |
[ ] |
A. caused B. to cause C. causing D. having caused |
The student who was caught ______ in the exam has been removed from school. |
[ ] |
A. cheat B. cheated C. cheating D. to cheat |
This kind of clothing material, ____ soft and smooth, sells well. |
[ ] |
A. feeling B. felt C. being felt D. having felt |
____ for the terrible coal mine accident, as the public thought, the mayor of the city felt nervous and was at a loss what to do. |
[ ] |
A. Having blamed B. He was to blame C. Being to be blamed D. Being to blame |
She"s upstairs _____ letters. |
[ ] |
A. write B. is writing C. write D. writing |
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