问题
选择题
The manager is used to _____________the computer to check e-mails every morning.
A．turn on
B．turning on
C．turn off
D．turning off
答案
答案：B
题目分析：句意：经理习惯于每天早上打开电脑查收电子邮件。be used to doing习惯于做某事。turn on打开，turn off关掉。根据题意，故选B。