How dangerous!— Yes. I think the policeman should stopthe children soccer in the street.

(2013·高考四川卷)—Why are your eyes so red? You________have slept well last night.—Yeah，I stayed up late writing a report.

The project alongside with the experiment we had once devoted so much time ______ perfectly

This mountain is about __________.

I am not good at playing football, wouldyou mind ________ me—not at all.