(2013·吉林市期末，33)I'm told that languagepractising.com is a free website ________ learners can not just learn various languages but also chat online.
A．where B．which
C．that D．what
As a single mother of three children, she has very little time ________ she can spare to develop her own interest.
A．when B．that
C．which D．what
The band was very successful in the seventies, most of ________ members were in their twenties.
A.itsB．whose
C．whomD．which
—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
