CLASS 10
THE MAKING OF A SCIENTIST
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How long ago ____ it?
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have you bought
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you have bought
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did you buy
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you bought
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Explanation:
Detailed explanation-1: -If you ask how long ago, you would get the answers with a number and a time unit, like one year, 3 weeks, etc. If you ask when, you would get a specific time / date. Meanwhile you can use when to ask events happen in future.
Detailed explanation-2: -They are both correct. The first phrase tells us about something that happened in the past: you bought something or many things.
Detailed explanation-3: -Correct: I bought something. → What did you buy? Incorrect: I bought something.
There is 1 question to complete.