英语 九年级 选择题 标准

根据语境选用正确语法形式 — 英语选择题

北师大版·英语 Grammar Summary AI 三重审校通过

题目
Tom promised to call me as soon as he ___ the airport, but I still haven't heard from him. It is said that he ___ to Beijing three times before, so he knows the city well. A. reached; has traveled B. reaches; traveled C. will reach; had traveled D. reached; has been traveling