题目内容
选择填空:
_____ Friday morning, they flew to Beijing for a trip.
[ ]
A. In B. On C. At D. For
答案:B
练习册系列答案
相关题目
题目内容
选择填空:
_____ Friday morning, they flew to Beijing for a trip.
[ ]
A. In B. On C. At D. For