It was quite a serious mistake,____caused by carelessness.
| A．which I think was | B．I think which was |
| C．which I think it was | D．I think which it was |
His father told me that he ____for the United States three days _______.
| A．has left; ago | B．had left; ago | C．left; ago | D．had left; before |
--- My God! I’m getting late again，what will my boss say?
--- Try to keep _______; we will think of an excuse．
| A．silent | B．calm | C．still | D．quiet |
I can’t spend___ money on the car which is ___expensive for me .
| A．too much ; much too | B．far too； too much |
| C．much too; too much | D．too many ; much too |
_____, the great mother, in order to save her sick child, kept waiting for four hours in the heavy snow.
| A．It depends | B．Take it easy | C．Believe it or not | D．It is OK |
After Peter died, George ______________ the story of their friendship in a book.
| A．added up | B．set down | C．turned out | D．get along with |