We shall have completed the work by the time he ( )back next week.
A.正确答案Bwill come
B.comes
C.is coming
D.will have come
We shall have completed the work by the time he ( )back next week.
We shall have completed the work by the time he ( )back next week.
A.正确答案Bwill come
B.comes
C.is coming
D.will have come