[ Grammar ]
Change to passive:
I didn’t fix the problem.
_____
A. The problem has not been fixed by me
B. The problem was fixed by me.
C. The problem wasn’t fixed by me.
D. The problem was being fixed by me.
E. The problem had not been fixed by me.

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A. launch
B. are launching
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If my grandfather ______(be) younger, he ______(travel) to Japan.
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I like the ___________ of the clown fish.
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