My hometown is in the south of China. There is _______ rain in spring.
—When you have difficulty , do remember to_________. Two heads are better than one.
—Excuse me, what’s the_________usually used for? --It’s used for protecting people from the rain.
—It’s difficult for the village children to cross the river to get to school. We think a bridge_______over the river.
.—How _______the frog(雾) is! We can’t see clearly while riding.
--__________must be working in the office, I think. --Sure, the light is still on.