You can come here to ask me ________ if you have any questions.
#26761
A
at one time
B
at a time
C
at any time
D
all the time
推荐题目
Mr．Shaw can’t get promotion ________ his lack of qualifications．
#27540
A
thanks to
B
for
C
because
D
because of
Zhai Zhigang is known the world a hero his walk in space.
#27626
A
as, as, for
B
to, as, for
C
to, as, on
D
in, for, as
----Jack hasn’t got a job yet, has he? ---- Oh yes, in fact, he has been ________ for two weeks.
#27172
A
after work
B
in work
C
at work
D
out of work