Theargumentremainsextremelyheated
问题详情：
The argument remains extremely heated _____ there are necessary conditions of existence such as water on the Mars.
A. that B. whether C. if D. which
【回答】
B
知识点：连词
题型：选择题
问题详情：
The argument remains extremely heated _____ there are necessary conditions of existence such as water on the Mars.
A. that B. whether C. if D. which
【回答】
B
知识点：连词
题型：选择题
