I am so tired. I don’t want to do ________ now.
---- It’s difficult for the village children to cross the river for school.---- I think a bridge ______ over the river.
---- Jack, I haven’t seen your brother for a long time.---- He ________Shanghai on business for two months.
---- We will build an underground in Xuzhou before 2015.---- Wow, _______! Will it pass our place?
We don’t have enough nurses to look after patients.At least ___ nurses are needed.
---- Could you tell me ______? I must find him.---- Sorry.I don’t know.But he was here just now.