问题

Betty stayed at home and studied_____ exams last weekend.[ ]
A: with
B:etty st
C: on
D:about
B:etty st
C: on
D:about
正确答案是:
同类题型
Please ask ___________. He may know which one is __________.
Wow ! Your suit is the same ___________ [ ]
We were very to hear the news .
Look, what have they done? —Sorry. I think if I __________ another chance, I’ll do it better.
It was in the small house _______ was built with stone by his father _______ he spent his childhood.