选错.改错。下列各句画线部分均有一处错误，请找出，将其字母序号填入题前的括号内，并且在横线上改正。（1）（2）（3）（4）（5）
Is he tall? No, _____. A. he is B. he isn’t C. she isn’t
______ you thirsty? A. Are B. are C. is
Some _____? Yes, please. A. CokeB. Cokes C. /
I see ______ elephant. It’s very big. A. an B. a C. /
_____ the cat big? Yes, it ____. A. Is…… is B. Is …are C. Is …am
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