Isn’t that Ann’s husband over there– No, it ________ be him. I’m sure hedoesn’t wear glasses.

对下列各句中加点词语的活用情况的归类，正确的一项是①礼天下之奇才 ②后人哀之而不鉴之③吾兄之盛德而夭其嗣乎 ④忧劳可以兴国

It ________ at the crossroads ________ he was killed in the accident the other day.

_ the English examination, I would have gone tothe concert last Sunday.

There _____ a dictionary and several books on the desk.