____everything and come here , please. I am in bad need of your help. OK, in a minute.

all___ for international conferences is of greatimportance—I see, and we are sure to complete it on time

There was thick haze（雾霾）in our city this spring. What do you think of it—I think ______ cars we drive, ______ pollution our city will have.

Most of the students enjoy_____ stamps

Miss Smith is a friend of .