摘要： If a bag is filled with books and pens, it must belong to someone works hard. A. which B. / C. whom D. who
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If a bag is filled with books and pens, it must belong to someone ________ works hard．
- A.which
- B./
- C.whom
- D.who
If a bag is filled with books and pens, it must belong to someone _________ works hard.
[ ]
A. which
B. /
C. whom
D. who
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B. /
C. whom
D. who