There are geographic, economic, and cultural reasons why ___________ around the world.
A.do diets differ
B.are diets different
C.diets differ
D.to differ a diet

The girl ____________ mother I was talking to has left the room.
A.who
B.whom
C.that
D.whose

She_______ him when he called her.
A.did not pretend hear
B.pretended not hear
C.pretended she heard not
D.pretended not to hear

The young teachers wanted a Foreign Language Teaching workshop _______ in Ho Chi Minh City.
A.to be holding
B.should hold
C.to be held
D.to hold

She made her son the window.
A.to wash
B.washing
C.washed
D.wash

I was very tired. I tried _________ my eyes open, but I couldn’t.
A.to keep
B.keeping
C.keep
D.kept

For some people, the reason ____________ they move to cities from rural areas is __________ their children do not want to live deprived of the facilities of a large city.
A.that & what
B.why & that
C.- & how
D.as & for

You ______________ 17 to get a driving license in the UK.
A.have to be
B.ought to be
C.needn’t be
D.should be

“Don’t tell anyone my new address.” “_______________.”
A.I can’t
B.I don’t
C.I won’t
D.I wouldn’t

I can’t bear thinking back of that time. I’d rather ___________ equally.
A.treat
B.be treated
C.treating
D.have treated