Don't worry about the child ,The doctor told he (合并为一句）Did they have a picnic in the park last sunday Do you know?(合并为一句)Do you know___they ___a picnic in the park last sunday?
问题描述：
Don't worry about the child ,The doctor told he (合并为一句）
Did they have a picnic in the park last sunday Do you know?(合并为一句)
Do you know___they ___a picnic in the park last sunday?
答