Do you know how many deer ( ) in the zoo?A are there B there are 请说明理由及相关用法,
问题描述：
Do you know how many deer ( ) in the zoo?A are there B there are 请说明理由及相关用法,
答
B
do you know已经是一个疑问句了..后面跟一个从句,应该是陈述句