Where do you think ________ we can buy that bestseller?
A．it is that B．is it that
C．that D．it
There is no doubt that eating organic food will make you healthier, ________？
A．will it B．does it
C．is there D．is it
It was today's activity ________ let me know the importance of teamwork.
A．where B．which
C．that D．what
—Why wasn't John hired for the job?
—I don't know, but he ________.
A．was B．had been
C．should have D．should have been
She brought with her three friends, none of ______ I had ever met before.
A. them B. who
C. whom D. these
They've won their last three matches, ______ I find a bit surprising actually.
A. that B. when
C. what D. which
