Polar bears live mostly on sea ice, which they use as platform for hunting seals.A. a;aB.

发布时间：2020-08-17 11:44:32

Polar bears live mostly on     sea ice, which they use as     platform for hunting seals.
A. a;a
B. a;the
C. /;a
D. the;/

网友回答

A. a;a
B. a;the
(答案→)C. /;a
D. the;/
解析：本题考查冠词。on     sea ice处是不可数名词，表示泛指，不加冠词；a_platform处表示数量，相当于one。
【标签】冠词用法
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