语法与词汇
26.The open university was started in order to help those who______having a university education when they were young.
【正确答案】
C
【答案解析】从后面having知道，前面的动词必然是可用do+doing结构的，因为fail只与to do连用，所以被刨除。Stop doing=cease doing(停止做某事)所以都不选。只能选miss doing(错过做某事)。