All their attempts to rescue the child from the burning building were _____.
He died soon afterwards.
| A．in place | B．in return | C．in vain | D．in order |
---The last one __________________ pays the meal. ---Agreed!
| A．arrived | B．arrives | C．to arrive | D．arriving |
Some pre-school children go to a day care center, _____ they learn simple games and songs.
| A．then | B．there | C．while | D．where |
．The news came as no surprise to me. I ______ for some time that I would fail in the exam.
| A．had known | B．knew | C．have known | D．know |
He holds an important ______ in the company.
| A．state | B．condition | C．situation | D．position |
．The wounded soldier lost ______ of blood.
| A．a great many | B．a great number | C．quite a few | D．a great deal |