-- The terrible accident is under investigation.
-- Actually, quicker action ________ those workers trapped in the mine.
| A．might have saved | B．must have saved |
| C．should have saved | D．could have saved |
That evening，________I will tell you more about later，I ended up working very late.
(2012·大纲全国Ⅱ，8)
| A．that | B．which |
| C．what | D．when |
By 16∶30，________was almost closing time，nearly all the paintings had been sold.
(2012·江西，28)
| A．which | B．when | C．what | D．that |
When deeply absorbed in work，________he often was，he would forget all about eating or sleeping. (2012·北京，26)
| A．that | B．which |
| C．where | D．when |
Care of the soul is a gradual process ________ even the small details of life should be considered. (2012·湖南，34)
| A．what | B．in what |
| C．which | D．in which |
It is the third time that she has won the race，________ has surprised us all.(2012·陕西，14)
| A．that | B．where |
| C．which | D．what |