How many ?A. dog B. cats
—How do they go to school?—They go to school ______foot.A.at B.in C.on
There are always ______traffic lights.A.one B.two C.three
Yellow light means “______”.A.Stop B.Go C.Wait
Drivers drive ______the right side in China.A.in B.on C.from
______ I go home by bus.A.Sometime B.Some time C.Sometimes