5. Many lakes and rivers have been ________by industrial waste.
A: smog
B: pollution
C: polluted
D: smoging
A: smog
B: pollution
C: polluted
D: smoging
举一反三
- Many lakes and rivers have been ________by industrial waste. A: pollutes B: polluted C: pollution
- Many lakes and rivers ________ by industrial waste. A: A have polluted B: B have been polluted C: C had been polluted D: D has been polluted
- Many lakes and rivers have been( )by industrial waste. A: damaged B: injured C: polluted D: destroyed
- Many lakes and rivers have been ________by industrial waste. A: polluting B: ruined C: crashed D: polluted
- Many lakes and rivers have been ( )by industrial waste. A: public B: put C: polluted D: pollutE