as if/though引导什么从句

Only time will tell if the treatment has been successful.

只有时间才能证明这种疗法是否成功。

He must be 70 if he's a day!

他至少70岁了！

I don't care if I never see him again!

即使我永远再也见不到他，我也不在乎！

It always seemed as though they would get married.

他们一直仿佛是要结婚似的'。

They look as though they're heading for divorce.

他们看样子会离婚。

It felt as though he had run a marathon.

他感到好像跑了一个马拉松似的。