—Mary looks down today.What is up?
—Well，________happened between Mary and me is none of your business.
| A．wherever | B．whoever |
| C．whatever | D．no matter what |
This company was ______ of using misleading advertisements in its promotion of the weight-loss pills
| A．charged | B．accused | C．blamed | D．approved |
According to this survey, some TV programmes should take _________ for teenagers’ negative behavior.
| A．influence | B．responsibility | C．credit | D．explanation |
Due to the widespread ____________ of this medical technology，more diseases can be discovered and treated at an early stage.
| A．presentation | B．application |
| C．qualification | D．appreciation |
The unquestioned role of students is to learn as much as possible through ________ method they find.
| A．whichever | B．whatever |
| C．no matter what | D．no matter which |
Jane is crazy about painting these days. She in her studio all day long.
| A．was staying | B．stayed | C．is staying | D．will stay |