They have been here since 2000.划since 2000.(对划线提问)____ ____have they been here?
问题描述:
They have been here since 2000.划since 2000.(对划线提问)____ ____have they been here?
答
They have been here since 2000.划since 2000.(对划线提问)____ ____have they been here?