I usually have ______ breakfast at home．I think it's good for my health．（ ）
A．aB．anC．theD．/
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
The Monkey King is a traditional Chinese cartoon hero.Today，he _________ by people of all ages.（ ）
A．will loveB．was loved
C．is lovedD．will be loved