题干
The lawyer was expected to _____ some proposals after reading all those documents.
A：come up with
B：put up with
C：look up to
D：keep up with
答案(点此获取答案解析）
A
A：come up with
B：put up with
C：look up to
D：keep up with
的四个命题，其中真命题为 （ ） 
:
, 
的共轭复数为
的虚部为
