Water plants provide food for many animals, and______also supply oxygen to the w

游客2024-01-02 61

问题 Water plants provide food for many animals, and______also supply oxygen to the water.

选项 A、what they
B、do they
C、they
D、they are

答案 C

解析 The pronoun they is the subject of the second clause.

转载请注明原文地址:http://tihaiku.com/zcyy/3328102.html

相关试题推荐

随机试题

最新回复(0)

Observationsofcetaceansinthewildhaveprovidedsomeinsightsontheirl