Wouldyou mind opening the door? It’s hot outside.________. —_____________.

I________all the exercises before my teacher collected the exercise books．

. —I’ve heard they went skiing in the mountainslastwinter.—It______ true because there was so little snow there then.

2. It is well known that China’s great achievements in economic and social development over the past 30 years cannot be _____ its continuous efforts to push for rural reforms.

I hope that my father will quit smoking because I wanthim to live__________ my grandpa does