(就填一词)根据首字母填空.Now we are b( ) packing our bags so that we will not lose time when we leave.

问题描述:

(就填一词)根据首字母填空.
Now we are b( ) packing our bags so that we will not lose time when we leave.

busy
我们正在忙着收拾背包,因此当我们离开的时候就不会浪费时间了.