As a rule, you can borrow only two books ______ in the library.
#27543
A
at one time
B
at a time
C
in no time
D
at times
推荐题目
Whoever helps the poor, I’ ll be______ him/her. 
#26796
A
in place of
B
in favor of
C
in common with
D
in search of
 I think teachers should be strict _______ their students ______ studies.
#25648
A
in; with
B
with; in
C
about; in
D
with; for
 It was reported that many helicopters were sent there _________the missing passengers.
#27070
A
in search of
B
in need of
C
in charge of
D
in time of