On AIDS Day, the minister of Health Department demanded that the problems ___________ paid special attention to.
| A．referred to being | B．referred to be | C．refer to being | D．refer to be |
He taught his father how to get to know ________ is going on in his university life on the Internet.
| A．how | B．that | C．what | D．which |
It is obvious ________ the former Libyan government will be replaced with the opposition government.
| A．who | B．where | C．which | D．that |
When we arrived in ________ used to be called the foggy capital，we found London completely changed.London is now one of the capital cities in the world with the finest air quality.
| A．which | B．what | C．that | D．where |
By talking with them，I get to know ________ Russian people see their country and the US.
| A．what | B．when | C．why | D．how |
According to Aristotle，we are ________ we repeatedly do.Excellence then，is not an act，but a habit.
| A．which | B．when | C．where | D．what |