Hewas______towithdrawfromrunningforthepresidency.
A、trusted
B、credited
C、convinced
D、believed
重写句子：Alanpassedthetest.Alanhadstudiedhard.Alanhadunderstoodthematerial.(complexsentence)
在发生人感染H7N9禽流感确诊病例的县(区)内，应当在病例确诊后开展为期()的强化监测
A、3天
B、7天
C、10天
D、14天
E、21天
There______nothingmorefordiscussion,themeetingendedearlierthanexpected.
A、tobe
B、tohavebeen
C、being
D、be
Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.
A、where
B、which
C、what
D、that