exercise Exercise: I cannot find my book, ..... it? A.) did you see B.) didn't you see C.) have you seen D.) haven't you I chose the answer A, but it was wrong. The correct answer is the answer C.

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Peter

exercise Exercise: I cannot find my book, ..... it? A.) did you see B.) didn't you see C.) have you seen D.) haven't you I chose the answer A, but it was wrong. The correct answer is the answer C. If i had though of the common Present Perfect sentence which is "Have you seen this movie?" , I would have choosen the right answer. Can someone give me a little explanation? And thw word 'explanation' is countable or uncountable? Little or few explanation? Thank you very much!

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exercise

Exercise:

I cannot find my book, ..... it?

A.) did you see B.) didn't you see
C.) have you seen D.) haven't you

I chose the answer A, but it was wrong.
The correct answer is the answer C.

If I had thought of the common Present Perfect sentence which is "Have you seen this movie?" , I would have choosen the right answer.

Can someone give me a little explanation?

And is the word 'explanation' is countable or uncountable? Little or few explanation?

Thank you very much!

Explanation can be countable or uncountable "Please give me an explanation for your behaviour", "Their explanations as to where they were did not make sense."

Hi Peter - in many parts of America, people would choose A, however, it is not grammatically correct. The correct answer is C. The word 'explanation' is singular - if you want multiple explanations, you could say 'explanations' as a plural noun. You could use adjectives such as 'long' or 'short' or 'detailed' explanation(s).

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