一般将来时be going to表达旅行计划 — 英语选择题
题目
Kevin 已经制定好下周的旅行计划：他下周六出发去伦敦，先坐飞机到那里，然后在泰晤士河边拍照。下列哪个句子正确地用 be going to 表达了他的旅行计划？A. Kevin is going to travel to London next Saturday. B. Kevin travels to London next Saturday. C. Kevin went to London last Saturday. D. Kevin is travelling in London now.