题目内容
21、The sun heats the earth, ____is very important to living things.
A．that B．which C．what D．of which
试题答案
21、B
相关题目
The sun heats the earth, ___________ is very important to living things.
A．that B．what C．which D．where
查看习题详情和答案>>
The sun heats the earth, ____is very important to living things.
A．that B．which C．what D．of which
查看习题详情和答案>>The sun heats the earth, ______ is very important to living things.
[ ]
A．that
B．what
C．which
D．where