问题
选择题
| —What are you doing,Danny? Why didn't you answer the door? —Sorry, mum.I _____ it． |
A. don't hear B. didn't hear C. won't hear D. wasn't hear |
答案
答案：B
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| —What are you doing,Danny? Why didn't you answer the door? —Sorry, mum.I _____ it． |
A. don't hear B. didn't hear C. won't hear D. wasn't hear |
答案：B