______ , I would give up smoking.
A. If I were you
B. If I am you
C. If I was you
D. If I’m like you
An assembly line(装配线) worker becomes tired ______ the same tasks over and over for eight hours.
A. of performing
B. with perform
C. to perform
D. in performing
Many a boy ______ playing basketball.
A. likes
B. like
C. to like
D. have liked
Babies vary greatly as to the age ______ they began to talk.
A. which
B. in which
C. what
D. at which
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