A:are you coming with us? B: I know I promised to go with you, but I a'm not feeling very good would you mind (stay)------home?
A:of course not
A. Stay B.stayed C. if I stayed D.IFI Stay we must be very quiet, we mustn't make any noise?
This sentences Snows
A. To say we are sure that something is True
B. it is neccessary that you do it to
C. To talk about the present of the Future D.it is neccessary that you do not do it (so don't doit)