Why vs. because

English as a Second Language English Teacher Explanations (ESL Tests)
1

English Language Tests, Intermediate level

ESL/EFL Test #99 [color=blue]“Student Teacher Dialogue (2)”, question 8

Student: Another problem is I don’t understand … there are two words sounding the same — T and one O and T double O.

(a) because
(b) whenever
(c) why
(d) that’s why

English Language Tests, Intermediate level

ESL/EFL Test #99 [color=blue]“Student Teacher Dialogue (2)”, answer 8

Student: Another problem is I don’t understand why there are two words sounding the same — T and one O and T double O.

Correct answer: (c) why

Your answer was: [color=red]incorrect
Student: Another problem is I don’t understand because there are two words sounding the same — T and one O and T double O.
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Dear Sir

why should I choose “why” here

thanks a lot in advance

Stone

2

I don’t understand why… means: I don’t understand for what reason… and refers to the thing you don’t understand.

I don’t understand, because… means: The reason I don’t understand is that… and refers to why you don’t understand something.

I hope I haven’t managed to confuse you more!

3

Hi,

Why " that’s why " is incorrect?

Thanks.

4

‘that’s’ is wrong because of the phrase ‘Another problem is’. You can’t use both.

5

Hi, Beeesneees

Thank you for your reply.