37. His father promised to buy him an iPhone __________ he behaved himself.
(A)provided
(B)while
(C)in case
(D)after
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統計: A(191), B(83), C(44), D(85), E(0) #1515756
統計: A(191), B(83), C(44), D(85), E(0) #1515756
詳解 (共 7 筆)
#1664000
provided conj. 以…為條件,假如
34
1
#1631782
為什麼是provided而不是while?
2
4
#1613138
求解
1
4