Hewas______towithdrawfromrunningforthepresidency.
C
句意:他被说服退出竞选总统。 convince 使相信;信服;说服。
Studentsshould_____theirowninterestsaswellasdotheirschoolwork.
Itisimportantto________yourskinfromtheharmfulstrongsunlight.
Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.