—The charity walk begins _______ 9.00 a.m. Don’t be late. —No problem.
#48985
A
in
B
at
C
on
D
to
推荐题目
It is important_________us students to make a plan_________our studies before a new term starts.
#51286
A
for; for
B
of; for
C
to; of
D
with; on
