A woman in her 60s gave birth to two test tube babies three years ago, after her only daughter died of gas poisoning.
The band was very successful in the seventies, most of ________ members were in their twenties.
—Where did you come across our Chinese teacher? —It was in the supermarket ________ I purchased mooncakes.
The course about Chinese food attracts over 100 students per year, ________ up to half are from overseas.
The road construction is based on the agreement, one of ________ purposes is to ensure its completion on time.
.What sets human beings apart from animals is not the pursuit of happiness, but the pursuit of meaning, ________ is unique to humans.