问题
选择题
He often helps the students _______ he thinks are not quick at their studies.
A．whom
B．who
C．when
D．because
答案
答案：B
考查定语从句。先行词the students在定语从句中作主语，故用关系代词who，故选B。
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He often helps the students _______ he thinks are not quick at their studies.
A．whom
B．who
C．when
D．because
答案：B
考查定语从句。先行词the students在定语从句中作主语，故用关系代词who，故选B。