We hope the building project ______ will be completed as soon as possible because lots of citizens are complaining about the noises.

s present environment situation is from bad toworse and if we _________ now to protect the environment, we’ll live to regretit.

The teacher stressed again that the students should not _________ any important details while retelling the story.

I saw Mr Li at the meeting yesterday.— Did you? He _______ have attended it, for he had asked for sick leave.

．_____ we can pass the coming examination will mainly depend on _____ we learn and _____ learn it.