— Mum, my friends are waiting for me outside. May I go out to play with them?— Yes, you , but be careful, please.
There ____ a pen and some books in my bag.
___ nice weather it is!
____ they ____ a cow yesterday?
—Why are you standing here, Tom? —I can’t see the blackboard clearly. Two tall boys are sitting ____ me.
— _____ juice is there in the glass? There isn’t _____.