There are five chairs ___ ,but I am at a loss which to buy .
| A．to be chosen | B．to choose from | C．to choose | D．to be chosen from |
____he does has nothing to do with me.
| A．whatever | B．No matter what | C．That | D．If |
This is the house _________ the great man Mao Zedong was born 110 years ago.
| A．why | B．that | C．about which | D．in which |
Then arose the question _________ we were to get so much money.
| A．where | B．that | C．about which | D．in which |
China’s success in manned-space-craft travel shows _________ out country has become one of the greatest powers in space research.
| A．what | B．which | C．不填 | D．it that |
_________ you have seen both fighters，_________ will win？
| A．Since； do you think who | B．As； who you think |
| C．When； whoever | D．Since； who do you think |