问题

In my opinion, life in the twentyfirst 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

正确答案是：

同类题型

Mom, shall we have supper now—Oh, we won’t have supper _______ your dad comes back.

Because her family was poor,she ________her way through college,like washing dishes in the restaurant. [ ]

We’re going to have a basketball match with Class 3.-–________.

In those days ,books could only be produced one at atime _____________.

The bread my wife makes is much better than ________ you can buy at a store.