23 You are free to say ( ①) is on your mind.
　　　① whatever　② wherever　③ whichever　④ that

24 ( ④) the reason is, you shouldn't hit your children.
　　　① However　② Whoever　③ Whenever　④ Whatever

25 どちらの辞書でも好きな方を使っていいよ。
　　　You ( can / like / use / whichever / you / dictionary ).　　　
　　　→ You can use whichever dictionary you like.

26 ( ①) I see his face, I'm reminded of that famous actor.
　　　① Whenever　② Whoever　③ Whichever　④ Whatever

27 With this tablet, you can check your email ( ①) you go.
　　　① wherever　② Whatever　③ however　④ whoever

28 ( ②) difficult it is, you should try to finish the project.
　　　① Whatever　② However　③ While　④ When

29 どんなに困難でも、彼は自分の仕事をやり遂げる。
　　　He will accomplish his task, ( hard / how / is / it / matter / no ).
　　　→ He will accomplish his task, no matter how hard it is.

30 ( matter / say / what / no / they ), I believe that she is telling the truth.
　　　→ No matter what they say, I believe that she is telling the truth.