The teacher wantss the boy to stop t_______ when class begin

The teacher wantss the boy to stop t_______ when class begin when dose the class begin? The teacher likes to begin her class _____an English song. When the teacher came into the classroom,we stopped t_______ when does the class begin?怎么回答 When the rain stops, the farmerss stop ______and begin to wo we must stop ------(talk)when class begin when the teacher came in ,we stop ( ) Begin the class when i got to the bus stop,i found a boy on()side of the str The students usually stop to talk when the teacher comes in The students usually stop to talk when the teacher comes in.