A:----------teachers are there in your school?B:About 70.

答案：A;【How many】teachers are there in your school? B:About 70.

翻译；你们学校有多少个老师?大概70个.

解析；因为teachers是可数名词所以要用how many 来提问.

如果名词时不可数的话就用how much 来提问.


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