Doctors warned agaisnt chewing tobacco as a _____ for smokingA.successionB.substituteC.rev

We had warned him（) the danger but he turned a deaf ear to our warning.A inB outC ofD on

Teachers warn students that （) to computer games is dangerous.A、likingB、addictionC、prefe

The author s purpose in writing this passage is to______.A．warn people not to celebrate Ha

A.to chewB.chewC.chewingD.chewed

The doctors have abandoned the hope to res

The doctors have abandoned the hope to res