I was writing a letter she was making a telephone call.( )
A.whileB.whenC.before
Bill lives ________________ to school than Peter.( )
A.closeB.closed
C.closerD.the closest
People __________ talk on a mobile phone while they are driving.( )
A.shouldn'tB.needn'tC.mustD.can
His beautiful music has brought ___________ to people all over the world.( )
A.difficultyB.pleasureC.weatherD.danger
Anna is taller than me.She sits ___________me in the classroom.( )
A.betweenB.fromC.behindD.among
It is __________ to say "thank you" very often,even to family members.( )
A.politeB.rudeC.dangerousD.humorous