Question
If life existed on Mars, it is most likely to be in (1)/
the form of bacteria buried deep in (2)/ the planet’s permafrost or lichens. (3)/ No error (4) In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select No Error.Solution
To maintain sentence consistence, ‘existed’ should be changed to ‘exists’. “If life exists on Mars, …”
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