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
It was in the forest _______they found the lost cow.
A. where B.when
C. that D. as
He knows several languages ________ English, French and Japanese.
A. such as B. for example
C. according to D. that is
