填空 we must be careful when we___ the road
填空 we must be careful when we___ the road
We must be careful when we( )the road.
We must be very careful when we go across the m___ road
We must be careful when you go _____(cross) the road.
So we must be careful when we use the Internet.
You must be careful when you cross the road.(改为祈使句)
When the fire d----- is high,we must be careful.We must not
正确形式填空we must cross the road very (careful)here are some flo
we --- be careful when we'er walkung across the road there'r
___you go across the road,you must be careful
We must be careful_____(cross) the road.
You should be careful when you cross the m____ road .