我很不理解这道英语考题,题目在下面.这是一道选择题,正确答案是B,我不明白为什么,请详细说明理由.Sandy,_____to be here at 8 o'clock.A.is sure B.be sure C.will be sure D.is sure will
问题描述:
我很不理解这道英语考题,题目在下面.
这是一道选择题,正确答案是B,我不明白为什么,请详细说明理由.
Sandy,_____to be here at 8 o'clock.
A.is sure B.be sure C.will be sure D.is sure will
答