Question

我们忙着讲话，把开会的事情忘得一干二净．

We were ________ busy ________ that ________ all about the meeting.

Answer 1

答案：
解析：

剖析：通读句子，了解到应该用句型“so…that”．谈话应用“talk”，再考虑到惯用法be busy doing，忘记是forget，此处应该用过去式．