What do you usually do in your spare time?
I often go to our community library. It ________ for two years in order to encourage us to read more.
( )
A.opensB.has opened
C.has been openedD.has been open
﹣﹣﹣Shall we go out and do some outdoor activities?
﹣﹣﹣_______.( )
A.You're welcome
B.That's a good idea
C.Don't worry
D.It's none of your business
Paper is ________ useful invention.It was invented around 2,000 years ago by Cai Lun.( )
A.aB.anC./D.the
﹣﹣Shall we go for a walk?
﹣﹣_____________.It's too dark.We'd better stay at home.( )
A.Nice ideaB.That's true
C.Don't be sillyD.I agree with you
﹣﹣Could you tell me ______________ "the Father of Rice "?
﹣﹣Because he helped many countries grow more rice.( )
A.when was Yuan Longping called
B.why is Yuan Longping called
C.when Yuan Longping was called
D.why Yuan Longping is called
My cousin became a country doctor ____________ he finished medical school.( )
A.afterB.so thatC.butD.so