i won t be able to attend the lecture because___ i a report in my police thenA.will have writtenB.was writingC.have been writingD.will be writing

问题描述：

i won t be able to attend the lecture because___ i a report in my police then
A.will have written
B.was writing
C.have been writing
D.will be writing

答

选C 因为说的是在过去的某一时间一直写报道因此将不可能才加演讲。

答

I am uncomfortable I've been sick I've got some other important thing to do.

答

D首先这道题的because 是连词，连接的两个句子应该是同时态的。所以排除BC。
而A的完成时态不符合实际，已经是因为了，不需要再借助完成时态。
希望你学习进步

答

I won't be able to attend the lecture because I will be writing a report in my police then.
我不能去出席讲座了,因为那时我将会在我的办公室内完成一篇报道
将来进行时,因为有then,选择D