问题补充:
. Some animals are in danger, and the scientists are doing they can them.
A. that; to save
B. whatever; to save
C. what; save
D. the thing; save
答案:
A. that; to save
(答案→)B. whatever; to save
C. what; save
D. the thing; save
解析:考查名词性从句及目的状语从句。句中whatever引导宾语从句,在从句中作宾语;不定式to savethem.表示目的性。句意:一些动物处于危险中,科学家尽他们所能拯救他们。