This is just a sample question that I made to prove that I am a qualified Japane

This is just a sample question that I made to prove that I am a qualified Japanese tutor. FYI, my mother language is Japanese.
Questions below are very easy for me to do.
Q1: 利益が去年よりもわずかに増えた。
a.りえき b.りし c.りじゅん
Q2:科学的な根拠に乏しい説
a. ねっきょ b.こんじょ c.こんきょ
Q3:何事も初めが肝心。
a. たんしん b.かんしん c.かんじん

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