----Mum, ____ I watch TV now?
----No, you ____. You _____ finish your homework first.
| A．may; can’t; must | B．can; can’t; may |
| C．must; needn’t; must | D．may; mustn’t; can |
Mr. Lee looks pale. After all, he has lost lots of ________ in the accident.
A. drugs B. blood C. support
The street is so dirty that we can see litter ________.
A. everywhere B. somewhere C. nowhere
-- Thank you for giving me so much help!
-- ________
A. It’s a pleasure.
B. It doesn’t matter.
C. It’s fun.
The air pollution is serious, ________ we must try our best to reduce it.
A. so B. or C. if
--The river used to be clean. How does it become dirty?
-- There are many factories ________ waste water into it.
A. pouring B. pour C. poured