用下列词组的适当形式填空,补全句子. it doesn't matter, make mistakes, be afra

用下列词组的适当形式填空,补全句子. it doesn't matter, make mistakes, be afraid to, look up
People are likely ______________ when they're tired.
_____________________ which one you choose.
You can ______________ this word in the vocabulary list.
Little Tom _______________________ tell me the truth.