问题

Excuse me, teacher, can I ask you something about the last class I didn’t quite understand it.–Sure! Please feel _________to ask me anything!

A:fine
B:free
C:OK
D:right;

正确答案是：

同类题型

117. The European’s wonderful performance _____ him a gold medal.

The thread of my kite broke and it flew away.— I told you it would easily break________it was the weakest.[ ]

When I met the little boy____,I found he wasclever.[ ]

30,000 dollars ______ a large amount of money, but it’s ______ than we need.

No further financial problem ________, but we once couldn’t make both ends meet．