Some students are so ______ that they often make mistakes in their homework.
| A．carful | B．serious | C．careless | D．successful |
-------The medicine _________ awful. I can’t stand it.
-------I know, Jimmy. But it’s helpful for you.
| A．tastes | B．eats | C．drinks | D．takes |
----- It’s smoggy these days. That’s terrible!
----- Yes, I hope to plant trees.________ trees, ______air pollution.
| A．The more; the fewer | B．the less; the more |
| C．The less; the fewer | D．The more; the less |
Thanks to the 2014 Winter Olympics, Sochi is well-known,_______?
| A．isn’t it | B．was it |
| C．is it | D．wasn’t it |
---- ____________?
---- Sorry, we’ll go and play in the park.
| A．Don’t drop litter here. |
| B．Would you mind not playing baseball here? |
| C．You have to get up early. |
| D．Would you mind not smoking in public? |
The safety of food has become one of the _________ problems in our daily life.
| A．more expensive | B．more important |
| C．most expensive | D．most important |