-----Does Tom _______ an eraser? ----- Yes. He _________ one. A. have ; have B. have ; has C.has ; have
—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.