1¡¢—Are you going to her party?

—I’m not sure. I ________________ stay home and help my brother with his homework.

2¡¢—It’s hard to believe that Jack have fought with the policeman.

—Yes. If one _____________ ask for trouble, it can’t be helped.

A. would;will       B.must;may          C. should;must      D.need;dare

3¡¢No student ______ go out of school after eleven o’clock at night without the teacher’s permission.

A. will                                 B. must             C. may          D. shall   

4¡¢Samuel, the tallest boy in our class, ___________ easily reach the books on the top shelf.

A.must                           B.should       C.can            D.need

5¡¢My room is a mess, but I__________(need) clean it before I go out tonight. I can do it tomorrow morning.