Mr Green asks us to hand in our reports ______ we finish them.
— I’m sorry I’m late. — ________.
I think the Beijing Olympic will develop our ________with many countries.
I fell in the street and _______ my leg.A beat B.hid C hurt D ached
Today we can take photos ______ our mobile phones.A of B. with C on D for
Jimmy is quite ____. He never helps his mother with the housework.