Alan late to study for the math test last night. A. stays upB. stayed up C. gets up D. go

问题补充：

Alan late to study for the math test last night.

A. stays up

B. stayed up

C. gets up

D. got up .

答案：

A. stays up

B. stayed up

C. gets up

D. got up .

解析：考查动词短语。Stay up 熬夜；get up 起床。句意：安妮昨晚学习数学到深夜。根据时间状语last night用一般过去时，根据late,可以为学习而熬夜，故选B项。