How kind you are! You always do what you can ______ others.

With so much noise of the traffic, I couldn’t ____ and do my research work.

对下列各句中划线词的用法，归类正确的一项是（ ）①园日涉以成趣 ②眄庭柯以怡颜③襟三江而带五湖 ④宁许以负秦曲⑤而后乃今将图南 ⑥欲因此时降武⑦臣不胜犬马怖惧之情 ⑧臣具以表闻

It appears that your relationship with Mike is not normal, doesn’t it?—– I thought of him as a trustworthy friend _____, to my shock, he gave me away to the boss

Which is the biggest number of the four —________.