Most stars are not ______ to the naked eye.
A. visit
B. visible
C. vision
D. invisible
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The book ________ cover has a beautiful picture is Lily's.
A. which
B. whose
C. that
D. where
A home should be _______ and friendly.
A. comfortably
B. conform
C. cramped
D. comfortable
You quickly get used to _____ the brakes(刹车).
A. using
B. use
C. used
D. have used
There are no ______ rules.
A. absolutely
B. completely
C. complete
D. absolute