What worried me most was to go abroad alone
| A．my not allowing | B．having not allowed |
| C．my being not allowed | D．my not being allowed |
His sister left home in 1998，and __________ since.
| A．had not been heard of | B．has not been heard of |
| C．had not heard of | D．has not heard of |
My parents send me to a school __________ rules are just as important a part of education as the academic subjects.
| A．that | B．which | C．where | D．when |
They've won their last three matches，__________ I find a bit surprising.
| A．that | B．when | C．what | D．which |
1 was born in New Orleans, Louisiana, a city __________ name will create a picture of beautiful trees and green grass in our mind.
| A．which | B．of which | C．that | D．whose |
Whenever I met her，__________ was fairly often, she greeted me with a sweet smile.
| A．who | B．which | C．when | D．that |