__________is mentioned above，the number of the students in senior high schools is increasing.
| A．Which | B．As | C．That | D．It |
It is none of your business _________other people think about you. Believe yourself.
| A．how | B．what | C．which | D．when |
The seaside here draws a lot of tourists every summer. Warm sunshine and soft sands make ___________it is.
| A．what | B．which | C．how | D．where |
Animals suffered at the hand of Man________they were destroyed by people to make way for agricultural land to provide food for more people.
| A．in which | B．for which | C．so that | D．in that |
Students are always interested in finding out ________ they can to with a new teacher.
| A．how far | B．how soon | C．how often | D．how long |
Men usually go straight to _____ they want and leave quickly when shopping.
| A．what | B．which | C．where | D．that |