I think ______ is necessary ______ us to do something useful to protect the birds.
#50276
A
this; for
B
it; of
C
this; of
D
it;for
推荐题目
I think you can ____ to the new park. It’s a little far.
#48205
A
by bus
B
take a bus
C
on foot
D
walk
He stood _____ and waited for the bus.
#46558
A
in the way
B
by the way
C
on the playground
D
at the bus stop