1Will you please not go to sleep when you're on duty?Will you please_____ _____when you're on duty?2Sue argued with me about if students should take cell phones to campus .Sue_____ _____ ____with me about of students should take cell phones to campus.3Sometimes it's hard for them to tell what is right and what is wrong Sometimes it's hard for students to _____right_____wrong.4 If you're bored about cooking let's talk about something else If you're bor
问题描述：
1Will you please not go to sleep when you're on duty?
Will you please_____ _____when you're on duty?
2Sue argued with me about if students should take cell phones to campus .
Sue_____ _____ ____with me about of students should take cell phones to campus.
3Sometimes it's hard for them to tell what is right and what is wrong
Sometimes it's hard for students to _____right_____wrong.
4 If you're bored about cooking let's talk about something else
If you're bored about cooking let's_____ _____ _____
答
keep awake保持清醒
have an dispute争论
tell from区分
discuss something else讨论点别的
答
stay up /keep awake
2.had an argument
3.tell...from
4.discuss other things.