The____ofAIDShasledtoanexpansioninresearchseekingacure.
A、innovation
B、selection
C、proliferation
D、conviction
Tom____ofhiswifehowshehadmetherfriend.
A、asked
B、questioned
C、inquired
D、interrogated
Thefanswereveryexcited______DavidBeckhamcametotheshow.
A、so
B、because
C、but
D、and
MissGreenwas（）$100fordrivingafterdrinking.
A、fined
B、charged
C、punished
D、posed
Itisnotuncommonforthere_____problemsofcommunicationbetweentheoldandtheyoung.
A、being
B、wouldbe
C、be
D、tobe