I found that the homework was ______ I used to get in my old school.
| A．not heavy as what | B．as not heavy as that |
| C．not as heavy as that | D．not as heavy as what |
They discussed ________ they could settle the problem without others' help.
| A．if | B．that | C．what | D．whether |
We all know the truth ___ there are air, water and sunlight there are living things.
| A．where | B．wherever | C．that | D．that wherever |
It ________ Bob drives badly.
| A．thinks that | B．is thought what | C．thought that | D．is thought that |
Is this ________ we met each other two years ago
| A．place | B．place in which | C．where | D．place which |
"Do you know ________ " "His father is a doctor."
| A．what is his father | B．who is his father |
| C．what his father is | D．who his father is |