he is going to relax with friends once the exams are --------and he has exciting plans for the summer holidays
问题描述：
he is going to relax with friends once the exams are --------and he has exciting plans for the summer holidays
A.at the end B.by the end
C.in the end d.at an end
答
选C解析：A 应该没有 at the end 这样的搭配 B.by the end of 通常表示将来 ,到……快结束/末尾的时候 By the end of 2007,I will go to Hainan to spend my holiday.到2007年底的时候,我要去海南度假.C.in the end ...