This news is very important, so he comes here, you must tell me at once．A.whenB.
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This news is very important, so ________ he comes here, you must tell me at once．
A.when
B.while
C.as
D.whenever
试题答案
D
This news is very important, so ________ he comes here, you must tell me at once．
A.when
B.while
C.as
D.whenever
D