问题
In my opinion, life in the twenty-first century is much easier than ___________.
A:that used to be
B:it is used to
C:it was used to
D:it used to be
B:it is used to
C:it was used to
D:it used to be
正确答案是：
同类题型
“What time does the plane _________”“I think at about 10 o’clock.”
Sally sings pretty _______ and she is also _______ atdancing.
happened to the young trees weplanted last week—The trees______well, but I didn’t waterthem
He has difficulty in remembering lines，buthe is a good actor
14. I thought she ______ like something to eat, so I have bought two pieces of bread.