You must stand in line when you're waiting for a bus.改为祈使句
You must stand in line when you're waiting for a bus.改为祈使句
When waiting for a bus() a bus stop ,you must stand () line.
You must stand in line to wait for a bus[改成祈使句]
It is important to stand in line when you wait for a bus改祈使句
you must stand in line to wait for the bus变祈使句
you must stand in line to wait for the bus
You must stsnd in line to wait for the bus改为祈使句
Stand in line when waiting for the bus.
when you waitting for the bus you must stand in a (l )
We must stand in line.改为祈使句
when.wait for.we.a bus.we.stand in a line.must 连词成句
plaese wait in line when you wait for a bus.(改为同义句) Don't (