填空题 提示：A1ice对医生说自己感到身体不适。今天早上起得很早做功课，摔在地板上。在那之前，曾感到紧张，并有时眼睛疼。医生说不要担心，但要Alice一定要有足够的睡眠。
Doctor: Hi, Alice, what seems to be the problem?
Alice: Well, (51) at the moment. I'm preparing for exams and I've been staying up late at night studying. This morning (52) , and I fell onto the floor.
Doctor: Had you had any signs?
Alice: rd been pretty nervous (53) .
Doctor: Well, it sounds as if you've probably been overdoing your study and you're too tired. (54) , but I think you should take it easy for a while and. try (55) .
Alice: Yes. I haven't been getting much sleep lately.