真题练习

157.I looked under ____ bed and found ____ book I lost last week.

A.the;a
B.the;the
C./;the
D.the;/
158.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;/

答案解析

157.答案是B，两空均为特指。

158.答案是C，sea ice为不可数；第二空泛指。