Barack Obama delivered a speech to 500 local youths during his visit to China,many of were from Fudan University and Tongji University.
A.them | B.whom | C.which | D.those |
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Barack Obama delivered a speech to 500 local youths during his visit to China,many of were from Fudan University and Tongji University.
A.them | B.whom | C.which | D.those |