John waited at the bus-stop for nearly half an hour the bus finally arrived .
| A．when | B．as | C．before | D．while |
My mother insisted on sending me to the hospital, _______I received good medical treatment.
| A．which | B．as | C．where | D．what |
When ______ about the possibility that Justin was taken by aliens, Detective Sam Peterson said that there was no hard evidence about this.
| A．asking | B．was asked |
| C．being asked | D．asked |
The father along with his children ______ going swimming.
| A．are like | B．is like |
| C．like | D．likes |
I am very _______ in the book.
| A．interesting | B．interest |
| C．interested | D．interests |
Three mountains, Meili, Baimang and Haba, which are coveredsnow, towerthe land.
| A．by, at | B．with, over |
| C．with, at | D．by, over |