Being determined is a kind of quality and that's________it takes to do anything properly.
| A.how |
| B.which |
| C.where |
| D.what |
–What do you think the noise was?
--It ___________ a cat.
| A.may be | B.might be |
| C.can have been | D.might have been |
Do you know the _________ of the saying I just quoted?
| A.resource | B.source | C.course | D.cause |
He is very stubborn, it is impossible to argue _____________ what he doesn’t want to.
| A.with him about | B.against him about |
| C.him into doing | D.him to do |
It was playing computer games______ cost the boy plenty of time_____ he ought to have spent doing his homework.
| A.that; that | B.which; that | C.which; when | D.that; when |
The ecologists urged measures _______ to protect the wildlife.
| A.would be made | B.would be taken | C.be taken | D.be made |