--What’s wrong with you? You look very tired.I late to study for the English test last

问题补充：

--What’s wrong with you? You look very tired.

--I late to study for the English test last night.

A. stayed up

B. fixed up

C. cheered up

D. looked up

答案：

(答案→)A. stayed up

B. fixed up

C. cheered up

D. looked up

解析：词义辨析。stayed up熬夜不睡；fixed up安排，修补；cheered up鼓舞，加油；looked up查找。句意：你怎么了？你看起来很累。我昨晚为了英语测试熬夜太晚了。所以选A。