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

Balanced diets are just as________as regular exercise in our daily life．

A.important B.more important

C.most important D.the most important

—________is in charge of the summer concert？ —Jessie．She has a lot of experience．

A.Where B.Why C.What D.Who

Randy wrote two novels.________ of them were made into films. I've seen them.

A.None B.Both C.All D.Neither

There________more than two ways to solve this maths problem．

A.am B.is C.are D.be