I study English by studing with a group .
________ __________you study English ?(对划线部分提问)
He used to have straight hair.
_______ he_______to have straight hair ? (变成一般疑问句)
They should allow sixteen -year-olds to drive .
Sixteen-year-olds should______ ______ to drive .(改成被动语态)
I think she is English
I _____ think she ______English . (变成否定句)
Must I hand in my homework?
No, _______ _______ 。