題目列表(包括答案和解析)
— Has Tom finished his homework yet?
— I have no idea, he _____ it this morning.
|
A．was doing |
B．did |
C．had done |
D．would do |
— Has Tom finished his homework yet?
— I have no idea, he _____ it this morning.
A. was doing B. did C. had done D. would do
— Has Tom finished his homework yet?
— I have no idea, he _____ it this morning.
| A．was doing | B．did | C．had done | D．would do |
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