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
What has your uncle bought ___ you? Will you please show it ___ me?
#28140
A
to, for
B
for, to
C
to, to
D
for, for
He had been _______ good terms with Tom, but all of ____ sudden they lost in touch with each other.
#26269
A
on ; a
B
in ; /
C
on ; the
D
in ; a