单项选择题
I think all these are main points（）much attention.
A.being worthy of B.worthy of C.which worth D.which worthy of
单项选择题 I don't suppose he will attend the meeting,（）
单项选择题 It's not safe（）in the street.
单项选择题 If you（）stop smoking, you can only expect to have a bad cough.
