How ______ you, Jack —I’m fine. And you A.areB.isC. amD. be

Why didn’t Sam attend the party yesterday evening?—He ___ not have wanted to see me.

Our teacher often advises us the habit of making notes while reading .

下列各句中，没有语病的一句是

Although he failed this time, he didn’t give up and ＿＿＿＿＿＿studying hard.