问题
This is the most beautiful butterfly I have _____ seen in my life..
A:ever
B:still
C:never
D:been;
B:still
C:never
D:been;
正确答案是：
同类题型
It’s the sort of work that _______ a high level of patience. [ ]
Sorry, I have to ________ now. I have a train to catch. —Goodbye! Wish you a pleasant journey.
The global financial crisis(金融危机) has made many people ______ their money.
en are excited about the approach of Christmas,_____ may bring great happiness to them