—Where did you come across our Chinese teacher?
—It was in the supermarket ________ I purchased mooncakes.
A．that B．which
C．where D．when
The course about Chinese food attracts over 100 students per year, ________ up to half are from overseas.
A．in which B．for whom
C．with which D．of whom
The road construction is based on the agreement, one of ________ purposes is to ensure its completion on time.
A．which B．whose
C．that D．what
．What sets human beings apart from animals is not the pursuit of happiness, but the pursuit of meaning, ________ is unique to humans.
A．that B．what
C．which D．as
One theory, ________ suggested by Harvard University, is that humans began cooking their food, thereby releasing nutrients locked in the raw food and reducing the time needed to chew it.
A．which B．as
C．that D．what
________ is shown in the report, teenager problems are often connected with family life education.
A．Which B．As
C．It D．What
