Lengthen the road

[TOM]

hello again

i would just like to know which one of the following is correct.

thanks in advance
tom

1 they are lengthening the road 20 meters.
2 they are lengthening the road by 20 meters.

[Yankee]

Hi Tom

I'd prefer sentence 2: They are lengthening the road by 20 meters.


Amy
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