电场线可以直观地描述电场的方向和强弱。关于电场线,下列说法正确的是
–Where does the rain come from? --It comes from the ______. A. riverB. vapourC. cloud
Christmas Day is in ______. A. January B. October C. December
They like______to music. A. listens B. listening C. listen
The traffic light is yellow, you should _____. A. stop B. go C. wait
He has ____sore throat and his leg ____too. A. the ; hurt B. a; hurt C. a ; hurts