(2013·高考浙江卷)If we leave right away，________we’ll arrive on time.

 It’s too late to set out to see a film now. _________, we have a lot of homework to do.

You shouldn’t drive        fast.It’s dangerous.

7. The questionnaire takes       ten to fifteen minutes to complete and can be used along with the assessment interview.

By the time the fire-fighters arrived, the fire had been put＿＿＿by the teachers and the students.