17. Vitamins cannot be ________ by our bodies.
(A) manufacture
(B) manufactured
(C) manufacturing
(D) to manufacture

答案：登入後查看
統計： A(122), B(1208), C(87), D(32), E(0) #675644

詳解 (共 2 筆)

#1419046
維他命沒辦法"被"人體製造出來
19
0
#1409065
為什麼呢?
2
3