Please remember to _________the electricity and water before you leave the laboratory.( )
A.take offB.shut offC.go offD.put off
There are many tall trees on sides of the river.( )
A.bothB.allC.either
The harder we study,the result we will get.( )
A.goodB.betterC.best
Who's the woman under the tree?
She's aunt.( )
A.Kelly and Joe'sB.Kelly's and Joe
C.Kelly's and Joe's
Amy will be an elder sister.Her parents are going to have child.( )
A.twoB.secondC.the second
Could you go to the movies this evening?
I'd love to.But I'll have important meeting.( )
A.theB.aC.an