单项选择题
A.check out B.look out C.make out D.pick out
All offers（）require payment or private information befo...
单项选择题All offers（）require payment or private information before giving an award are bogus.
A.what B.who C.whose D.that
Internet（）theft is a growing—and very costly—problem.A....
单项选择题Internet（）theft is a growing—and very costly—problem.
A.identify B.identity C.identical D.identification
If an unanticipated conflict develops once the meeting ...
单项选择题If an unanticipated conflict develops once the meeting is in progress, either appoint a subcommittee to（）the problem.
A.look into B.look on C.look over D.look through
