问题描述：
这句话有点糊涂?
I have been asked to drop off some packages at our head office by Mr.Johnson.
1.意思不懂?
2.drop off
I have been asked to drop off some packages at our head office by Mr.Johnson.
1.意思不懂?
2.drop off
问题解答：
我来补答展开全文阅读