The following ones don't have the right answer:
PART 1.- #4 #11 PART 2.-#13
Thank U for the test!
In the 1st column, the 11th sentence - if we mind about an experiment or test we can use a gerund.
In 2d column, the first one I think 2 options are possible:
It started to rain when they were going home.
It started raining when they were going home.
The same meaning.
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