---Do you mind my opening the window?
----______I feel a bit cold.
| A．Of course not. | B．I would rather you didn’t. |
| C．Go ahead . | D．Why not? |
________ happens in the world makes us happy and sad by turns.
| A．That | B．What | C．Which | D．Whether |
In some countries, ________ are called “public schools” are not owned by the public.
| A．which | B．as | C．what | D．that |
— ________ did the professor give you much advice?
— The choice of a career.
| A．On what | B．In what | C．What | D．For what |
Write your name and address on your bag ________ you lose it.
| A．in any case | B．in case | C．in no case | D．in that case |
After finishing middle school, my sister did nothing ________ at home.
| A．but to read | B．but read | C．besides reading | D．except to read |