1. We had better _________________(天天鍛煉身體).
2. _______________(為了不影響他們),we left quietly.
3. _____________(我答復(fù)她)that I would accept her invitation.
4. According to the newly-announced policy,we should ________________(努力搞活國有大中型企業(yè)).
5. It has become an utmost urgency that ________________(必須清除政府中的貪污腐化現(xiàn)象).