-I am very worried about tomorrow's maths test. I am afraid I can't pass this time.-_______! I'm sure you'll make it.
—What are they doing at the bus stop? —They are waiting for a bus________.
—What happened________him? —He hurt himself.
We were surprised________that news.
When I got home,it was raining________.
—Could you help me________the heavy bag? —Of course.