To return to the problem of water pollution，I'd like you to look at a study _______ in Australia in 2012．（ ）
| A． |
having conducted |
B． |
to be conducted |
| C． |
conducting |
D． |
conducted |
—The two people speak different languages and can not communicate with each other well.
—Oh，I see. That’s ________ misunderstanding occurs.
| A．when | B．what |
| C．which | D．why |
An completely new district of industry has appeared in ________ used to be wasteland.
| A．which | B．that |
| C．what | D．where |
Now _______ you have to do is to admit your mistakes and immediately correct them.
| A．that | B．whether |
| C．what | D．how |
Word came, as expected, ______ college entrance English exam will be reformed soon.
| A．it | B．what |
| C．which | D．that |
is known to all is that Beijing and Zhangjiakou have been trying to co-host the 2022 Winter Olympic Games on Nov 3, 2013.
| A．What | B．Which |
| C．It | D．As |