According to the traffic law，children under 12________ride bicycles on the road．
A.won't B.wouldn't C.needn't D.mustn't
Doctors tell us________our hands before and after every meal．
A.wash B.washed C.washing D.to wash
The engineers will keep________the project with the manager of the company．
A.discuss B.discussed C.discussing D.to discuss
Mike________the furniture into his new flat this time yesterday.
A.would move B.was moving C.has moved D.had moved
Every year thousands of tourists________the mountain area to relax themselves.
A.visited B.were visiting
C.visit D.have visited
Emma felt________when her parents were on business trips．
A.sadly B.angrily
C.unfortunately D.lonely
