Air pollution is becoming more and more serious, actions must be taken to stop it.
| A．so | B．but | C．or | D．until |
Allen didn’t work hard at his lessons. ______, he failed in his exams.
| A．By the way | B．For example |
| C．As a result | D．Because of |
We can put the prefix “un-” before the following words to give them the opposite meaning except (除了) _______.
| A．correct | B．comfortable | C．certain | D．interesting |
----Would you please not smoke here? Look at the sign.
---- ________.
| A．No, I will | B．Yes, I will |
| C．Sorry, I will | D．Sorry, I won’t |
Peter’s drawing isn’t______________ Sandy’s.
| A．as more beautiful as | B．so beautiful as |
| C．as much beautiful as | D．as beautiful so |
Shanghai is larger than _______in Jiangsu.
| A．any city | B．the other cities |
| C．any cities | D．any other city |