With a lot of modern office equipment, today’s schools are quite different from ____ of the past.
A. that B. those C. one D. ones
I really don’t know _________ I had my money stolen.
A. when was it that B. that it was when
C. where it was that D. it was where that
You will fall in love with that city _____ you learn about it.
A. since B. while
C. before D. once
Many websites have been _______ to help people study foreign languages.
A. set off B. set up
C. set down D. set out
This is the deepest swimming pool _______ I have ever seen in China.
A.that B. what
C. where D. Which
Kathy told me that all the doors and windows _______ when she arrived this morning.
A. have cleaned B. have been cleaned
C. had cleaned D. had been cleaned
