reaching the end of the swimming pool ,back___
Reaching the other side of the river,back___.( )
at the swimming pool和in the swimming pool
There are a lot of swimming in the pool.
A l of people are swimming in the pool.
Look,many children___( come) to the swimming pool ___they of
swimming (at)还是(in) the swimming pool
13.For orders reaching us before the end of the current mont
The swimming pool is on the playground.
He opened the window____overlooked the swimming pool.
The boy is swimming at the pool.为什么是at the pool?用in the pool
in the swimming pool 翻译成汉语
How many_____are there in the swimming pool?