关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入!公告:维护QQ群:833371870,欢迎加入! 2021-04-14 Tom has been to Singapore , _______________ ? Tom has been to Singapore , _______________ ? 答案: 查看 举一反三 The woman has only been to Singapore once before. Tom has been to the personnel department. . To my _______,Tom has been there several times. Tom has been driving all day.He ______ be tired. Tom lately has been working on his new book.