他的爷爷正在公园里散步用英文His grandfather is_____ _____ _____in the park,
问题描述：
他的爷爷正在公园里散步用英文His grandfather is_____ _____ _____in the park,
答
His grandfather is walking in the park.
答
His grandfather is__taking_ a walk_in the park,
答
his grandfather is walking in the park.
应该是这样吧,六年级不会太难...
答
taking a walk
散步的意思