You _____________ touch electrical wires with wet hands.
A.aren’t allowed to
B.mustn’t
C.don’t have to
D.needn’t

You __________ file these documents now. It’s not urgent.
A.mustn’t
B.may not
C.can’t
D.don’t have to

He ______________ anything because he’s driving.
A.mightn’t drink
B.can’t drink
C.shouldn’t drink
D.didn’t have to drink

Although nobody can prevent you from spending your own money, you ____________ save for a rainy day.
A.better
B.would rather
C.would better
D.had better

People are becoming ______ aware of healthy eating, exercise, and relaxation, and want to incorporate them into their daily lives.
A.more and more
B.hardly ever
C.rather than
D.much as

I was relieved to see that the new computer software was________ complicated to use than I had thought it would be.
A.far too
B.much less
C.so much
D.the most

On the way to the mountain, it was impossible to see_______ a few meters ahead because of the heavy fog.
A.how far
B.rather than
C.so large
D.more than

The use of detail is _____ method of developing a controlling idea, and almost all students employ this method.
A.common
B.the most common
C.more common
D.most common

.____________in Stevenson’s landscapes, the more vitality and character the paintings seem to possess.
A.The loose brushwork is
B.The looser the brushwork is
C.The looser brushwork
D.The brushwork is loose

Ann works_______ than most of her friends.
A.a lot more hardly
B.much harder
C.more hardly
D.more harder