-- Do you still remember when we went to Nanjing?--- I can’t remember now but _________ sometime last summer?

If it were not for the fact that he ________ ill ，he would finish it.

--The room is so dirty.____ we clean it? ---Of course.

--Did you listen to the speech?--- No, we ______ it. But we had a lot of traffic on our way.

It       sound like a perfect destination,but it is really adventurous to go there.