We are ________ a school trip.
#49706
A
in
B
on
C
at
D
for
推荐题目
– I joined the League ________ May, 2009. What about you? – I’ve been a League member _______ three years.
#50598
A
in; for
B
on; in
C
on; for
D
in; since
--- Will you buy ________ stickers ______ me?--- Sure.
#49975
A
some; for
B
any; to
C
some; to
D
any; for