— I think sixteen-year –olds should not be allowed to drive.— ___________. They aren’t serious enough at the age.
Not only he but also his friend________to Yunnan every summer.
The new treatments________by Norman Bethune helped a number of soldiers.
Today,computers are really helpful.They________everywhere.
A year has four seasons and it________twelve different star signs.
Battery-operated slippers are used________seeing in the dark.