His sister left home in 1998, and since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
It is widely accepted that young babies learn to do things because certain acts lead to________.
| A．rewards | B．prizes | C．awards | D．results |
The policeman saved the little girl from the gangs. He’s never afraid of them. I think he is a man of _________.
| A．importance | B．use | C．courage | D．value |
Everyone should fight for the_______ of their own country.
| A．favour | B．reward | C．honour | D．prize |
_________ most students, she was always well prepared and never came to class late.
| A．Like | B．As | C．For | D．To |
We all write________, even when there’s not much to say.
| A．now and then | B．by and by | C．step by step | D．more or less |