Some of us remain________at our computer for hours every day，forgetting moving our body

. —-Was everyone here—-No. Some students ______traffic on theway

Where did you ______onvacation—I_____to Shanghai.

u ______ theidea of living a low-carbon life—It sounds tough, butit is a tendency

on’sstory proves that to be a hero has nothing to do with size, ________ with asmart mind and a brave heart