—Youlooktired,Anna.Why?—I

问题详情：

—You look tired, Anna. Why?

—I________ to read an interesting book.

A．got up      B．called up

C．stayed up   D．picked up

【回答】

C　点拨：本题用短语辨析法解题。get up起床；call up打电话；stay up 熬夜；pick up捡起。根据句意可知，选C。

知识点：动词和动词短语

题型：选择题