问题
选择题
Hello! I'm glad to see you here. When _____ you _____? [ ]
A. did, arrive
B. will arrive
C. have, arrived
D. are arriving
答案
答案：A
搜题请搜索小程序“爱下问搜题”
Hello! I'm glad to see you here. When _____ you _____? [ ]
A. did, arrive
B. will arrive
C. have, arrived
D. are arriving
答案：A