This college allows students to develop their own interests, to ______ extent they wished．
| A．whoever | B．whatever | C．however | D．whenever |
Tom is a ____________person. When we are on holiday, he can look after our pet.
| A．stubborn | B．special | C．brave | D．reliable |
I am a determined person. ____ I have made up my mind, nothing can change my mind.
| A．Once | B．Though | C．Unless | D．Until |
How often do you go swimming with your brother?
| A．I have no idea | B．It depends | C．As usual | D．Of course |
I was about to get on the bus _________someone called.
| A．as | B．when | C．before | D．while |
It was Mr Green _______ looked after my grandmother when I was on business.
| A．whom | B．which | C．whose | D．who |