-Can I join Oxfam Trailwalker?-Only if you are ________ eighteen.
#50669
A
over
B
on
C
under
D
below
推荐题目
Is it important ________us __________ learn English well?
#48822
A
for, learning
B
for, to learn
C
of, learning
D
of, to learn
I’ll be ready _____________a minute.
#48331
A
on
B
at
C
for
D
in