____ I'm mistaken, I've seen that tall man at a party before.
| A．If | B．As |
| C．Unless | D．When |
We have reached a stage _________we have almost no rights at all.
| A．where | B．why | C．which | D．that |
The little boy_____be very naughty, but he is very lovely.
| A．must | B．should | C．can | D．shall |
he referred to in his article was unknown to the general reader.
A. That B. What C
. Whether D. Where
It is not immediately clearthe financial crisis will soon be over.
| A．that | B．what | C．when | D．whether |
A terrible flood hit Gongshang in Yunnan province, 200 persons.
| A．killed | B．killing | C．to kill | D．kill |