we must...when we...
we must...when we...
when we do exercise,we must be____ .
When we write,we must write as_______as we can.
we must stop ------(talk)when class begin
we must ()when the light is yellow
1.( )when we do exercises,we must be____
we must ____ running taps when we leave the tap
we must be i_ when we grow up
So we must be careful when we use the Internet.
Firstly,we must understand the language when we hear ( ) spo
What must we say when we speak to older people?
We must be careful when we( )the road.