下列各句中,加点的词语使用不正确的一项是

Peter, what if your parents go out —They ask me to _______ myself.

xcuse me,but I couldn’t help noticingyour necklace —________

Jessica has always been honest and straightforward,and it doesn’t matter ______ that she’s talking to.

Yang Liwei is regarded as our national hero, who is_________.