问题
This is one of the happiest days ____ spent in my life.
A:that have ever been
B:that has never been
C:which was ever
D:that had been
B:that has never been
C:which was ever
D:that had been
正确答案是：
同类题型
The shopkeeper promised to get all the ordered fridges ______ to the customers within three days [ ]
The horse is standing with its eyes _______.— It may be sleeping.
Compared with other animals, snakes are believed to be below ____ in intelligence.
Now the transportation is convenient.It’s only____ ride from here to Beijing.