Are you willing to live on Mars one day？
__________． It sounds interesting， but it still worries me．（ ）
A．I'm not sureB．Sure， I will
C．That's all rightD．I hope so
They ____about a comedy this time yesterday．（ ）
A．were talkingB．are talking
C．have talkedD．will talk
Jane ____ to call me last night， but she didn't．（ ）
A．supposedB．supposes
C．was supposedD．is supposed
Could you please speak a little louder？ I ____ hear you very well．（ ）
A．can'tB．mustn'tC．shouldn'tD．needn't
We couldn't buy anything because ____of the shops were open．（ ）
A．allB．bothC．nothingD．none
Did you read your favorite books ____ April 23？ It was World Book Day．（ ）
A．forB．atC．onD．in