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
A: A have polluted
B: B have been polluted
C: C had been polluted
D: D has been polluted
举一反三
- Many lakes and rivers have been ________by industrial waste. A: pollutes B: polluted C: pollution
- 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
- 5. Many lakes and rivers have been ________by industrial waste. A: smog B: pollution C: polluted D: smoging