We are ________ a school trip.
#49706
A
in
B
on
C
at
D
for
推荐题目
They looked _____ each other and kept their secret _____ themselves.
#50266
A
for; to
B
at; for
C
at; to
D
out; at
I t’s quite common in Britain to say “Thank you” to the drivers people get off the bus.
#49520
A
after
B
since
C
until
D
when
