-----Do you think we should accept that offer?
-----Yes, we should, for we such bad luck up till now, and time_________ out.
| A．have had; is running | B．had; is running |
| C．have; has been run | D．have had; has been run |
Whatever is left over may be put into the refrigerator，__________ it will keep for two or three weeks.
| A．when | B．which |
| C．where | D．while |
Mary was much kinder to Jack than she was to the others，__________，of course, made all the others upset.
| A．who | B．which |
| C．what | D．that |
The children，__________ had played the whole day long, were worn out.
| A．all of what | B．all of which |
| C．all of them | D．all of whom |
He wrote a letter __________ he explained what had happened in the accident.
| A．what | B．which |
| C．where | D．how |
She brought in her three friends, none of __________ I had ever met before.
| A．them | B．who |
| C．whom | D．these |