______ it was already dark, they went on working in the fields.

admin2015-06-10 19

问题 ______ it was already dark, they went on working in the fields.

选项 A、If
B、Whether
C、When
D、While

答案D

解析

转载请注明原文地址:https://kaotiyun.com/show/iagc777K

英语

相关试题推荐

随机试题

最新回复(0)