I want to use the same tools _______used in your factory a few days ago.
A. as was B. which was C. as were D. which
It’s time to say goodbye to my school. I’ll always remember the people __have helped me.
A. who B. what C. which
Language learning isn't hard itself. The attitude you have decides if you can learn it well at last.
A. what B. who C. which
Teenagers love teachers _________ are energetic and friendly．
A. whom B. who C. which D. /
This is the school _______ I studied three years ago.
A. where B. when C. that D. which
“The book _________ you want is on the desk．” Which of the following is NOT right?
A. who B. which C. that
