( ) 1. Two hours __enough for them to finish the work. A.is B.are C.were D.has ( ) 2.Lucy__ a very shy girl.She didn't like talking to others. A.is used to B. used to be C.is used to be D.used to being ( )3. John lost his bag in the subway. He is very unlucky,__he A. hasn't B. has C.isn't D.is ( )4.__,and you will make progress. A.If you study hard B.Study hard C.If you don't study hardD.Don't study hard ( )5.When were on hoilday,we__much money. A.spent B.cost C.took D .paid