I didn't know when .A.would he returnB.he would returnC.will he returnD.he will
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I didn't know when ________.
A.would he return
B.he would return
C.will he return
D.he will return back
试题答案
B
I didn't know when ________.
A.would he return
B.he would return
C.will he return
D.he will return back
B