I feel so nervous before the exam that I cant sleep well at nightI think having

问题补充：

--- I feel so nervous before the exam that I can sleep well at night.

--- I think having a holiday will help you relax.

A. likely

B. probably

C. friendly

D. finally

答案：

A. likely

(答案→)B. probably

C. friendly

D. finally

解析：句意：--我感觉在考试前是如此地紧张以致于我在晚上睡不着觉。--我认为度假有可能帮助你放松。A. likely可能，形容词； B. probably可能，副词； C. friendly 友好的，形容词； D. finally最后，终于，副词。根据句意故选B。