题目内容
-Is that a ruler?
-No, ______________.
-No, ______________.
A.it is | B.it isn’t | C.that is | D.that isn ’t |
B
对于be动词帮助句子构成一般疑问句,其肯定回答用Yes,it is。或No,it
Isn’t.故选答案为B
Isn’t.故选答案为B
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