摘要：The house could fall down soon if no one some quick repair work. A has done B is doing C does D had done
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The house could fall down soon if no one some quick repair work.
- A.has done
- B.is doing
- C.does
- D.had done
The house could fall down soon if no one _____some quick repair work
[ ]
A. has done
B. is doing
C. does
D. had done
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B. is doing
C. does
D. had done
The house could fall down soon if no one _____ some quick repair work.
[ ]
A. has done
B. is doing
C. does
D. had done
查看习题详情和答案>>
B. is doing
C. does
D. had done