The river has become much ______ than before because of the waste water.
A. dirty B. dirtier C. Dirtiest
相关试题
You can see the Little Mermade in ________.
| A．Britain | B．China | C．Denmark | D．America |
means “______”.I can sing English songs and I can ______ sing Japanese songs.
| A．too | B．also | C．only | D．just |
We won’t go back home ___ the rain stops. We now have to stay in the classroom.
| A．when | B．until | C．before | D．and |
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