－Who is the lady standing over there?－I am not sure, but it may be ___ from the provincial government. 

--- Is your mother badly ill?---NO,              ,only a little cold 

Do you still remember the chicken farm _______ we visited last year?

Timmy tells me that you find_____on the Internet.

I thought there would be many students in the hall, but when I got in, I found ______.