题目内容
11、He has made many friends, is helpful to him when he is in trouble.
A which B who C it D that
试题答案
11、A
相关题目
He has made many friends, _____ is helpful to him when he is in trouble.
[ ]
A. which
B. who
C. it
D. that
查看习题详情和答案>>
B. who
C. it
D. that