-- ________do you usually go to work?--I usually ________a bus to work.

A．How…by

B．How …on

C．How…take

D．What…on

补写出下列名篇名句中的空缺部分。(5分)

小题1:桑之落矣，                    。             (《诗经·氓》)

小题2:                 ，池鱼思故渊。(陶渊明《归园田居(其一)》)

小题3:                 ，悠悠我心。            (曹操《短歌行》)

小题4:仰观宇宙之大，               。       (王羲之《兰亭集序》)

小题5:              ，羽化而登仙。               (苏轼《赤壁赋》)