【简答题】根据所学常识判断下列说法是(√)否( × )正确。 ( ) 1. There are always three lights: red, yellow and green. ( ) 2. It's not fast to go by plane. ( ) 3. If you go on foot, you don't need (需要) to know the traffi...
【简答题】根据所学常识判断下列说法是(√)否(×)正确。 ( ) 1. There are always three lights: red, yellow and green. ( ) 2. It's not fast to go by plane. ( ) 3. If you go on foot, you don't need (需要) to know the traffic ...