The news shocked the public，__________to great concern about students’ safety at school.
| A．having led | B．led |
| C．leading | D．to lead |
This is the house_____my grandma lived twenty years ago.
| A．in that | B．in which | C．that | D．不填 |
.--- Have you finished your homework?
--- No. I ______ Good Voice of China on Zhejiang TV all day yesterday.
| A．was watching | B．have watched | C．watch | D．would watch |
It was not until all the fish died in the river_____the villagers realized the serious pollution.
| A．where | B．that | C．what | D．which |
The doctor came up and asked me ______the day before.
| A．what had I eaten | B．what I have eaten |
| C．what have I eaten | D．what I had eaten |
The pupil is clever enough to______all these numbers correctly.
| A．add up | B．add to | C．add up to | D．add |