About _______ of the workers in the factory were born in ______.

The old man was _______ sad _______ say a word when he heard the bad news.

依次填入下列各句横线处的成语，最恰当的一组是 ①特别是傍近铁路的河堤，更是牢固严实， ，简直连个蚂蚁洞的孔隙也没有给洪水留下。②我军万船齐发，攻破“千里江防”，很快就占领了蒋介石自以为防守得 的南京城。③潮汛已经过去了，大坝仍然屹立不动， 。

Don’t you feel surprised to see Bruce at the meeting ?—NoI really didn’t think _____________ here

you got any books on Englishgrammar I’d like to borrow __________— Yes, here you are But you must returnit by Friday