—It’s years ____you broke up then.
—Yes. I have regretted the decision. It was long ____I realized I had mistaken him.
| A．until; after | B．when; before |
| C．since; before | D．when; until |
________ the question of how global warming has _________, we are doing some projects at school.
| A．Exploring, come about | B．To explore, come out |
| C．Having explored, come to | D．Being explored, come over |
Entering the room, they found that quantities of novels _________ on the desk, while a pile of illegal drugs were burned to _________ ground.
| A．Were, the | B．was, the | C．were, / | D．was, / |
If we _______ a great deal of time, we _______ be able to complete the proje
ct as you wish.
| A．don’t have, wouldn’t | B．don’t have, won’t finish |
| C．didn’t have, wouldn’t | D．had, wouldn’t |
We were ________ on our way to the airport in a traffic jam.
| A．Put up with | B．built up | C．held up | D．come up |
The novel ________ the film has been adapted for children is written by a famous American writer.
| A．from which | B．for which | C．from it | D．for whom |