The children are jumping excitedly because they have _______ the design perfectly in groups.( )
A.completedB.controlledC.contactedD.caused
Look!The man _____ be Mr.Black.He's always standing there at this time every day.( )
A.mustB.can'tC.mustn't
Going hiking with a group of people makes me _________.( )
A.relaxingB.to relaxC.relax
How do you learn English?
_______ listening to tapes.( )
A.ByB.WithC.For
Tara and Tina are both smart,but Tina is _______ than Tara.( )
A.hard﹣working
B.more hard﹣working
C.the most hard﹣working
Can I help you?
Yes,please.I need some ________ and drinks.( )
A.potatoB.appleC.beef