they are --- a bus now A waiting for B waiting

they are --- a bus now A waiting for B waiting The students are waiting for the bus now用a they ,for ,bus ,the,waiting,are,a 连词成句 bus they waiting are a for （.） 连词 单项选择They are waiting （ ）a bus （）the bus stop.A:for;in B:on;a Are you waiting for a bus?回答 they are waiting for a bus ___ the bus stop.a.in b.to c.on d ( ) are they waiting ( A why,for B who ,/ 单项填空.（ ） 1、Are they a bus?A、wait B、waiting C、wait for D、wait They are waiting for a bus to come (同义句转换) Look,they are waiting for a bus at the ____ ____ 8.They stood there ____ for a bus.A) waited B) waiting C) wa