If this kind of animal becomes______, our future generation______even have a chance to see
A. little; can not
B. scarce; mustn’t
C. rare; may not
D. short; won’t
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【C20】
A. retain
B. do
C. remain
D. make
【C18】
A. for
B. why
C. because
D. how
【C11】
A. more
B. beside
C. too
D. else
【C12】
A. but
B. yet
C. however
D. also