(-3)2的相反数是( )
A.6
B.-6
C.9
D.-9
(-3)2的相反数是-9.
故选D.
—Would you like to play computer games with me?
—Sorry, I have _____ playing them.[ ]
A. gone on
B. given up
C. looked up
D. given back
— Could I borrow your dictionary?
— Yes, of course you _____. [ ]
A. might
B. will
C. can
D. should