摘要：By the time he leaves university, he work experience so long as he takes a part-time job. A.will have gained B.has gained C.may have gained D.will gain
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By the time he leaves university, he ________ much work experience so long as he takes a part-time job．
- A.will have gained
- B.has gained
- C.may have gained
- D.would gain
By the time he leaves university, he ______ much work experience so long as he takes a part-time job.
[ ]
A．will have gained
B．has gained
C．may have gained
D．will gain