--Mike, can you tell us something about our new teacher?-- Oh, sorry. I know nothing because I _____________ him before.
There are lots of flowers on ______ sides of the street.
— How about climbing the hill?— I would rather along the river than the hill. I'm a bit tired。
We just need one of you for the game.youyour brother can join us.
It's cold outside. You'd better your coat and scarf.
— Must we wear our school uniform this afternoon?— No, you. All of us will go on an outing.