Peter won’t drive us to the station He has __________ to take us all

－Hi, Jack. Nice to meet you here in Taizhou.－Me too. But I ______ you were in Shanghai.

It is difficult for any of us to eat better, exercise more, and sleep enough,______ we know we should.

What ______your sister do lastnight– She_____ her homework..

Students ___________ remain in their seats until allthe papers have been collected