根据材料请回答 16~22 题:
第 16 题 Henry Manley was already deeply in debt.
Gas lamps became obsolete when electric lighting became possible.
A. useless
B. fashionable
C. outdated
D. unpopular
Which of the following is NOT expected of a partner according to this passage?
A.in B.was C.wereD.are
A. in
B. was
C. were
D. are