It is dangerous .You _____(must be)careful
It is dangerous .You _____(must be)careful
You must careful.It is dangerous.改错
You must be careful to c_the road.It's dangerous.
You must always be careful with it .
Be careful It is dangerous .能否写成Carefully It is dangerous .
Be careful!There is some dangerous in front of you.
you must be careful
If you go to the forest,you must be careful,or dangerous ani
careful It is dangerous .能否写成Carefully It is dangerous .
问Be careful !It is dangerous . 能否写成Carefully ! It is dangero
改错You must careful because of the traffic is very dangerous.
The bus is coming. Be careful when you _____ it.