complete las oraciones usando verbos modales

16.______ you find this phone nomber , please?

A. could  B. Must  C. should  D. might


17.my brother _______ drive yet. he´s too young.

A.could  B.might   C. should    D.can



18. You ______ come home early.

A.Must  B.could   C. can´t   D. many not


19. the doctor said you that you _____ take some medicine 

A. could   B.should  C.can  D.might