14.—— we swim in that river?——No,you .It’s dangerous to swim there.— we swim in that river?—No,you .It' s dangerous to swim there.A.Must; can't B.Can; may notC.Shall; don't D.May; mustn't

问题描述:

14.—— we swim in that river?——No,you .It’s dangerous to swim there.
— we swim in that river?
—No,you .It' s dangerous to swim there.
A.Must; can't B.Can; may not
C.Shall; don't D.May; mustn't