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He is fluent in Russian. 3. make great/ much/ a lot of progress 我們?cè)谶@ 20年里取得了非常大的進(jìn)步。我對(duì)你所做的很失望。 I have to make several corrections in my homework. 6. explain sth to sb explain to sb why/how/what… 雖然張老師很忙,但他依然給我講了這道題。 Mr. Zhang explained the question to me though he was quite busy. 你能告訴我剛才發(fā)生了什么嗎? Can you explain to me what happened just now? explanation of/for 他對(duì)這件事情的解釋是什么? What’s his explanation for this matter? 7. So + 助動(dòng)詞 / 情態(tài)動(dòng)詞 / 系動(dòng)詞 + 主語(yǔ) “ … 也 …” Neither / nor + … “… 也