Question

【题目】In our class there are 50 students，half _________ wear glasses．

A． in whom B． in them

C． of whom D． of them

Answer 1

【答案】C

【解析】题干的逗号后无并列连词，由此可判断是非限制性定语从句，whom代替先行词students在从句中作of的宾语，half是从句中的主语。故选C。