Hewas______towithdrawfromrunningforthepresidency.
A、trustedC
句意：他被说服退出竞选总统。 convince 使相信;信服;说服。
Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.
Hewouldhavegivenyoumorehelp,ifhe________sobusy.
Whenyou're_____acrisis,itoftenhelpstotalktosomeone.
IsitShakespeareTheatre_______youaregoingtowatchtheplayTheMerchantofVenice?
Thenewdiscovery_______beofgreatservicetomankind.
