31.Error Correction: The young
(A) students say that the
(B) robots are fun,
(C) though are these children really learning
(D) anything?

答案：登入後查看
統計： A(20), B(27), C(246), D(61), E(0) #616517

詳解 (共 1 筆)

#2188430
though=although=雖然但在...
(共 67 字，隱藏中）
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