摘要： Only after set free able to go on with his research work. A.he was ,was he B. was he ,was he C.was he ,he was D. he was ,he was
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Only after ________ set free ________ able to go on with his research work．
- A.he was ,was he
- B.was he ,was he
- C.was he ,he was
- D.he was ,he was
Only after ________ set free ________ able to go on with his research work.
[ ]
A．he was; was he
B．was he; was he
C．was he; he was
D．he was; he was