____ will you finish the work? In two days.How many B. How often C. How soon
—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.
—Why don’t those children go to school? They’re too young to work in the factory. --Maybe their parents can’t_______their education.
—How does Jack usually go to school? --He_____a bike, but now he_____there to keep healthy.