问题详情:
The water dark and dirty. It’s no longer safe to drink.
A. became B. has become C. will become D. was becoming
【回答】
B
知识点:动词时态
题型:选择题
问题详情:
The water dark and dirty. It’s no longer safe to drink.
A. became B. has become C. will become D. was becoming
【回答】
B
知识点:动词时态
题型:选择题