so we should be( )when we see them中间填什么?
so we should be( )when we see them中间填什么?
We should help them( )their problems中间填什么,
we should stop others when we see them littering.
when we use public document ,where do we see them
When we see a very sick man .we should call ( ) ).
we should be( ) when we are inthereading room
We should be careful when we ___a busy street
we should be very polite when we c____ people
we should learn to be i__ when we grow up.
So we must be careful when we use the Internet.
it could be that we could even see them again
It coulde be that we would never see them again.