You _________smoke here! Look at the sign. It says "No smoking".( )
A.needn'tB.mustn'tC.canD.may
To our surprise, the computer won the chess game against the human player.( )
A.certainlyB.usuallyC.finallyD.mostly
In order to sell more products, we need to come up with more ideas.( )
A.trueB.commonC.simpleD.creative
This is a private letter Tom. Nobody else can open it.( )
A.forB.withC.fromD.about
It takes us less time to go to Beijing because the of trains has increased a lot.( )
A.priceB.speedC.spaceD.service
Zhi Yueying , unusual teacher, has taught in a village school for 37years.( )
A./B.aC.anD.the