That must be a mistake. No, it____ a mistake.
It is said that he ____ murder.
It was merely_____ chance that he discovered the mistake.
. This is _________ piece of advice that he takes it immediately.
It was __________ that he was run over by his own car.
39. I must admit that the situation is (difficult) ________ than I thought it would be.
It was______ because he was tired out that he fell asleep standing up.
It is strange that he______so.
To ______ a living he must be able to convince the company that he can do the job required.
We must see _____ it that the new policies are implemented（）
It was _____ he said _____ disappointed me . A. what ; that B . that ; that C . what ; what D . that ; what
It’s _______ that he will succee.
It's necessary that he _____ in time to attend the meeting .
When a person is seen dozing, it suggests that he ______.
It was said that he died______a fever.
It is obvious that such uncomfortable feelings must affect people ________.
He is finally determined to quit smoking for he knows that it may_________ hishealth.
It was_____he worked hard that he succeeded.
It is______that he has passed the examination, and I am_____I will pass it too.
He strongly believes that there must be a physical explanation for these strange __________.
Someone ist the door. ________ must be Mr Smith.HeB．ItC．ThisD．ThtSomeone ist the door. ________ must be Mr Smith.He B．It C．This D．Tht
It is necessary that he_____without delay.
He did not regret saying what he did but felt that he _______ it in a different way（）
It _______ the second time that he _______ to visit China.
