问题
选择题
When you are home, give a call to let me know you ________ safely.[ ]
A. are arriving
B. have arrived
C. had arrived
D. will arrive
答案
答案:B
When you are home, give a call to let me know you ________ safely.[ ]
A. are arriving
B. have arrived
C. had arrived
D. will arrive
答案:B