My colleague has been recovering gradually since the operation, and it wont’ be long ______ he comes back to work．
#31739
A
before
B
since
C
after
D
when
推荐题目
Children in that kindergarten are sometimes asked to sit on their hands ______listening to the teacher.
#31671
A
while
B
though
C
after
D
during
How long do you think it will be ________ the computer company puts forward a new product?
#33737
A
before
B
since
C
until
D
that
She thought I was talking about her daughter，________，in fact，I was talking about my daughter.
#32077
A
whom
B
where
C
which
D
while
A curve is a line ______ no part is straight and which has no angle.
#30518
A
that
B
whose
C
in which
D
of which