28. Thirteen hundred medical professionals, all of which have been trained to treat drug dependency, attended the annual convention sponsored by  the Society to Prevent Drug Abuse.
(A)
(B)
(C)
(D)

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統計： A(97), B(11), C(61), D(13), E(0) #1349935

詳解 (共 5 筆)

#1628068

professional(專業人士)，後面的指代要改"all of who"

which是用來修飾"物品"

6
6
#2753618

Thirteen hundred medical professionals 指的是人

所以改all of whom 

5
0
#1652308

應改為all of who

5
0
#2310760
dependency附屬國，附屬地依靠，...
(共 24 字，隱藏中）
前往觀看
2
0
#1601614

professionals 是人非物

1
0