Only four days remained ____ the exam.    
#50123
A
at
B
after
C
before
D
since
推荐题目
Gong Li won an Oscar______ Best Actress _______ her role _______ this film.
#46231
A
of, for, in
B
for, of , of
C
for, for, in
D
of, of, in
Don’t try to do everything at once. Take it a bit __________.
#50785
A
at times
B
at that time
C
at all times
D
at a time