2 questions ~keep,continue,go on / as if it were about to reach the sky"

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Oct 2, 2009 02:12 ordinary-phrase phrase-selection
Question 1:

(1-1) The dog kept on barking till dawn.
(1-2) The dog continued barking till dawn.
(1-3) The dog went on barking till dawn.

Are these all correct?



Question 2:

(2-1) A very tall building was built last month. It is as if it were about to reach the sky.

In this context, does the expression "as if it were about to reach the sky" make sense?
And could you please tell me other similar expressions?




Thank you in advance!!!!
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