28. Beatrice wondered what _____ to remove the bubble gum in her hair.(A) should she use(B) using(C)

問題詳情

28. Beatrice wondered what _____ to remove the bubble gum in her hair.
(A) should she use
(B) using
(C) use
(D) to use

答案：A
難度：非常困難0
統計：A(5),B(0),C(1),D(1),E(0)