Sorry, Mr. Wang. I didn’t finish the assignment yesterday. Oh, you ________ have done it as yesterday was the deadline.

don’t care whatever difficulty I will have _________ this survey.

Thousandsof foreigners were______ to the Shanghai World Expo the day it opened.

I don’t want to move to that city. It is heavily polluted. Pollution is common. The city here is _____.[ ]

The seaside here draws a lot of tourists every summer. Warm sunshine and soft sands make ____ it is.[ ]