Multiple choice

Directions: Look at the italic part of the sentence. Three possible substitutions (1), (2) and (3) for the italic part are given. If one of them is better than the italic part, mark it as the answer. If any of the substitution doesn't improve the sentence, mark (4).

I know he is a cheat and liar, I studied the behavior of criminals all my life.

  1. study

  2. have studied

  3. am studying

  4. no improvement needed
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Present perfect 'have studied' is required because the speaker is still alive and the action of studying criminal behavior continues to the present. Simple past 'studied' would imply the action is complete, which doesn't fit.

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