Earthworms occur ______ adequate moisture and food and the necessary soil conditions are found.

admin2014-11-28  14

问题 Earthworms occur ______ adequate moisture and food and the necessary soil conditions are found.

选项 A、and
B、whenever
C、however
D、wherever

答案D

解析 此句空白处需填入一个从属连词,而且从句是表示地点的状语从句。
转载请注明原文地址:https://kaotiyun.com/show/2dii777K
0

最新回复(0)