The river has become much ______ than before because of the waste water from the factories.
A. dirty B. dirtier C. Dirtiest
相关试题
Excuse me, _______ do you ______ that in English?
| A．How；speak | B．What；tell |
| C．How； say | D．What；talk |
Tom doesn’t have breakfast __________ this morning. He doesn’t feel well.
| A．at | B．in | C．on | D．/ |
单词辨音：
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It__________ me 2 hours to buy a birthday present for Amy. The present__________19 yuan.
| A．takes, spends | B．costs, takes |
| C．spends, costs | D．takes, costs |
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