--- Do you know him?
--- Yes, but I can’t remember ________I met him for the first time.
A. where B. what C that D. if
He was in great need of money, so he _____ $5, 000 for his car.
| A．paid | B．took | C．cost | D．spent |
_____ when one loses freedom does one know its value.
| A．Just | B．Only | C．Even | D．Ever |
Little Jim is going to spend his holiday in Paris, _____ lives his uncle.
| A．which | B．who | C．where | D．that |
The problem is not _____ easy. Think _____ over.
| A．such, it | B．that, it | C．so,不填 | D．that，不填 |
It is so difficult a problem that _____ student in this class _____ work it out.
| A．any, can't | B．no, can | C．every, can | D．no, can't |