There is no evidence【 that】 antibiotics, anti-viral medicines or steroids help, so doctors can offer only supportive care.我知道这是同位语从句,不缺成分,所以【】里用that不用whether,但我有2个问题:1.如果一定要用whether的话,这句子该怎么变呢?2.填whether不对的原因还有什么?感觉whether也很顺口
题目
There is no evidence【 that】 antibiotics, anti-viral medicines or steroids help, so doctors can offer only supportive care.