Question

【题目】Mike ________his computer and checked his email.

A. turned onB. turned off

C. turned upD. turned down

Answer 1

【答案】A

【解析】

句意：Mike打开他的电脑，检查他的电子邮件。

考查动词短语。turn on打开；turn off关上；turn up出现，露面；turn down拒绝。根据句意可知选A。