Peter is the fastest runner of us in our class.—________. I think Sam is.

In case it thunders, we’d better _____ the electricity at once and turn off the TV.

The government has taken measures to ____ the high prices of daily goods to keep the market stable.

――Timmy, it is heavily raining out.——________, we must finish this work today.

When did Tom come to Qingdao？— It was in July，2006 and he a trip in China with his parents at thattime