We must be careful when you go _____(cross) the road.
We must be careful when you go _____(cross) the road.
be careful when you go --------(cross) the road
You must be careful when you cross the road.(改为祈使句)
Paul,______(be) careful when you cross the road.
We must be careful when we( )the road.
You should be careful when you cross the m____ road .
Be careful when you walk cross the road改错
When you cross the road,be careful of ______.
We must be very careful when we go across the m___ road
填空 we must be careful when we___ the road
___you go across the road,you must be careful
Please be careful when you go a( ) the road