Itrainedhardyesterday,______preventedmefromgoingtothepark.
B
本句话为非限制性定语从句,所以不能用 that 来引导。在本题中, prevent 由于是行为动词,所以正确选项应为 B。
Aftermonthsofvoyage,Columbusarrivedin______laterprovedtobeanewcontinent.
_______foryourlaziness,youcouldhavefinishedtheassignmentbynow.