以哪些单词开头的问句,用yes ;no 回答谢谢了,
问题描述:
以哪些单词开头的问句,用yes ;no 回答谢谢了,
答
have; has; had; am; is; are; do;does; did; can ;could; may; might; will; would; shall; should; must; need etc.