Out of the crowded bus _____, who was wearing a pair of dark..
Out of the crowded bus _____, who was wearing a pair of dark glasses. [ ]A. stepped a tall man in his thirties B. a tall man in his thirties stepped C. did a tall man step in his thirtiesD. did a tall man in his thirties step
Across North China _____ in the world, namely the Great Wall..
Across North China _____ in the world, namely the Great Wall.[ ]A. the longest wall runsB. runs the longest wallC. does run the longest wall D. does the longest wall run