Cataracts is a kind of illness that ______.
A. must lead to blindness
B. can not be treated by operations
C. can be cured
D. can change the color of eyes
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【B11】
A. what
B. who
C. where
D. which
【B8】
A. kind
B. sort
C. race
D. type
The author's purpose in writing this passage is to ______ the villa.
A. advertise
B. criticize
C. produce
D. ensure
【B15】
A. different
B. alike
C. same
D. indifferent