ng of all the projects they havecompleted in recent years, we think this is probably the_______ one.

下列各项中对相同句式的分类正确的一项是（ ） ①农人告余以春及 ②《齐谐》者，志怪者也。 ③彼且奚适也 ④杨意不逢 ⑤都督阎公之雅望 ⑥访风景于崇阿 ⑦今臣亡国贱俘 ⑧而莫之夭阏者

The math problem is too difficult ,I can’t__________ .

t smoke now, but I _______ for more than twentyyears

The football match was really fantastic, _________ when Smith scored in the last minute.