we must() to the driver when the bus is movingA stop to talk B begin to talk C beginning talking D stop talking

We must be l------- to the school We must go to the cinema we must go to the cinema now we must call the We must purify the We must change our according to the __________state of affairs We must teach young children to cross the road safely The face of all difficulties,we must learn to We must do more exercise often to p__ the disease We must be able to flee the city the train is gong to leave.we must say good We+must+pay+attention+to+the后面填什么 We must c_____ to school at 7.00 in the morning. We must send him to the hospital atonce.是什么意思? We must be able to flee the city The cold weather,we must pay attention to warm oh! We must do ( )the people want us to do. We must take a s____ approach to the problem