Mary had to go to a meeting，so she left her children ___________ at home

For kids of this age, two hours of sitting in a classroom ________ too long.

Where are the next magazines, Mum I want to readthem.—They ____ in the drawer by your father, I think.

I ______ a flu when I was on a spring outing with myclassmates.

It is strongly suggested that measures ________students to cheat in the exams.