68.5k views
5 votes
Select the best response to complete the sentence

Pollution..........to be caused by many cars.

b. is
d. is said
a. Having been
c. Having

User RTL
by
8.7k points

1 Answer

3 votes

D. 'is said' is the correct answer.


Have a great day~

-Jet

User Chin Leung
by
8.2k points

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