The baby is due in May.________ the new house should be finished.
The baby is due in May.________ the new house should be finished.
A.by then
B.by which
C.by when
D.since when
答案及解析: C
The baby is due in May.________ the new house should be finished.
A.by then
B.by which
C.by when
D.since when
答案及解析: C