问题
选择题
When I was at school, I _____ up very late, reading storybooks.
A.used to stay
B.was used to stay
C.used to staying
D.am used to staying
答案
答案:A
考查短语搭配。used to do sth.过去常常做某事。句意:当我上学的时候,我常常看小说而睡得很迟。