問題詳情

35. __________ before students at Tsinghua University in mainland China, U.S. President Bushwas challenged on U.S. policy toward Taiwan.
(A) When he stands
(B) To stand
(C) Standing
(D) Stood

參考答案

答案：C
難度：困難0.363636
統計：A(3),B(2),C(4),D(1),E(0)