Mary kept weighing herself to see how much _____ she was getting.
| A．heavy | B．heavier | C．the heavier | D．the heaviest |
If I’m mistaken, _________ you are mistaken too.
| A．so | B．and | C．or | D．不填 |
The result of the study was published last week in New York, a ______ magazine in America.
| A．respect | B．respecting | C．being respected | D．respected |
She read the letter through before sending it, ______ for spelling mistakes.
| A．checked | B．to be checking | C．checking | D．having checked |
“You’ve left the light on.” “Oh, so I have. _____ and turn it off.”
| A．I’ll go | B．I’ve gone |
| C．I go | D．I’m going |
New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
| A．is used; not to pollute | B．has used; is not polluted |
| C．is being used; do not pollute | D．has been used; to pollute |