TEST SIX 7.hedoesn’t know the answer I’ve told him several t

TEST SIX 7.hedoesn’t know the answer I’ve told him several t i've told him several times but he____doesn't understand I 've told him several times but he ____ doesn't understand I've made a guess but I don't know if it's the c() answer. I didn‘t know the answer and( ). i wrote him ______(several) letters but he didn't answer. I told him we Chinese have several way to find a word from t I'm sorry,but I don't know the answer. I don't know the answer to the question. 1.-I don't know the answer to this question ( ) I don't know the answer ____the question. I don't know the answer.It's d______.