摘要： This old computer must have been of great use to did the scientific research. A. those B. when C. whoever D. that
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This old computer must have been of great use to _______ did the scientific research.
|
A．those |
B．when |
C．whoever |
D．whomever |
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This old computer must have been of great use to _______ did the scientific research.
- A.those
- B.when
- C.whoever
- D.whomever
.
This old computer must have been of great use to ____________ did the scientific research.
A. those B. when C. whoever D. whomever
查看习题详情和答案>>