Our maths teacher set so difficult an examination problem ______ none of us worked out.
| A．which | B．that | C．as | D．so that |
As soon as the children were _____, their mother got them out of bed and into the bathroom.
| A．woke | B．waken | C．wake | D．awake |
Dr.King won the Nobel Peace Prize in 1964 for his achievement and_____.
| A．honor | B．victory | C．courage | D．failure |
He finally bought several books by Tom, _____ is one.
| A．which of them | B．which of whose | C．of which this | D．any of them |
---- Is that the small town you often talk about?
----- Yes, just the one______ I used to work for years.
| A．that | B．which | C．where | D．what |
Everyone stood up______ the hero came into the lecture hall.
| A．while | B．instant | C．every time | D．immediately |