I couldn’t imagine ______difficult it was for thesebadly injured victims to make it to the hospital

下列特殊句式分类正确的一项是（ ）①南冥者，天池也 ②奚以知其然也 ③野马也，尘埃也，生物之以息相吹也 ④覆杯水于坳堂之上 ⑤之二虫又何知 ⑥《齐谐》者，志怪者也 ⑦奚以之九万里而南为 ⑧而莫之夭阏者

Nowadays I can choose online courses and study by__________.

Bob has gone to California.—Oh, can you tell me when he ______

You ______have written such a long articleThe teacher said 100 words would be enough