A、classmates
B、roommates
C、counselors
D、teachers
A、four-days
B、four-day
C、fourth day
D、four day
A、2009, Oct.21st
B、Oct. 21st, 2009
C、2009, 21 October
D、21st of October, 2009
A、Whose; me
B、Who; mine
C、Whom; his
D、Whose; mine
A、/
B、the
C、an
D、a
A、a-c-b
B、a-b-c
C、c-a-b
D、b-a-c
A、prosper;prosper
B、prosper;thrive
C、thrive;prosper
D、thrive;thrive