Idioms
1. only if
~という条件においてのみ
Test
1 / 5
I keep a cat. ( ) cat is black.
2 / 5
The abbey is now a ruin.
3 / 5
The sun is just about to sink.
4 / 5
The ostrich has lost the ability to fly.
5 / 5
He is an absolute fool.
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