It was not rare(稀少) in that people in fifties were going to school for further study.

A: 90s; the B: the 90s; / C: 90s; their D: the 90s; their

It is not rare in ____ that people in ____fifties are going to university for further education.

A: 90s, the B: the 90s, / C: 90s, their D: the 90s, their

It is not rare in_____ that people in ______ fifties are going to university for further education.

A:90s ; the B:the 90s; / C:90s; their D:the 90s ; their

It is not rare in _____ that people in ____ fifties are going to university for further education.

A:90s; the B:the 90s; / C:90s; heir D:the 90s; their

It is not rare in that people in fifties were going to university for further education.

A:90s; the B:the 90s；/ C:90s; their D:the 90s; their

It is not rare in __________ that people in __________ fifties are going to university for further education.

A: 90s; the B: the 90s; 不填 C: 90s; their D: the 90s; their

It is not rare in that people in fifties were going to university for further education.

A: 90s; the B: the 90s；/ C: 90s; their D: the 90s; their

It is not rare in _______ that people at the age of forty are going to _________university for further education.

A: 90s; the B: the 90s ; / C: 90s; a D: the 90s; the