1 . “What?!” I felt nervous and I tried to turn on my brain but the engine just ______ start.

A．can’t

B．didn’t

C．wouldn’t

D．doesn’t

2 . You don’t have to know the name of the author to find a book. You _____ find the book by the title.

A．must

B．need

C．can

D．would

3 . I still remember my happy childhood when my mother ___________ take me to Disneyland at weekends.

A．might	B．must
C．would	D．should