Complete the sentence with the right modal verb : You ...... be very careful when you...

Question

Complete the sentence with the right modal verb :
You ...... be very careful when you cross the street .
1 ) neednot;
2 ) have to ;
3 )must ;
4 ) donot have to ;
очень надо плиз

Answer 1

You must be very careful when you cross the street.

Answer 2

Must) you must be very careful