The children are jumping excitedly because they have _______ the design perfectly in groups.( )
A.completedB.controlledC.contactedD.caused
﹣﹣These days,teenagers often have to do what they____to.
﹣﹣It's not good for their independence.They need to think on their own.( )
A.tellB.are telling
C.are told
﹣﹣﹣It's the second time I came to Xiamen.It____a lot.
﹣﹣﹣Yes,it's more and more beautiful.( )
A.was changingB.has changed
C.will change
﹣﹣﹣Tom,let's hang out after school.
﹣﹣﹣Sorry.I have_____Frank to work on the biology report with him.( )
A.advisedB.expectedC.promised
﹣﹣﹣These shoes look cool._____are they?
﹣﹣﹣They are on sale,only 69dollars.( )
A.How muchB.How longC.How many
﹣﹣﹣I think everyone should play a part in saving our environment.
﹣﹣﹣I agree.For example,there will be less air pollution_____we drive less.( )
A.ifB.soC.though