Mike’s never willing to change any of his opinions. It’s no use ______ with him.

The two sportsmen congratulated each other _____ winning the match by shaking hands[ ]

下面两组虚词的含义和用法分析正确的一项是 ①穷且益坚 ②若属皆且为所虏 ③请息交以绝游 ④生物之以息相吹也

I was halfway back to the hospital where the doctor was working Susan caught up with me

We can’t predict the climate well enough to know what _____. [ ]