He’d like to sleep with the window ＿＿＿＿ at night. 

Reports say the plane crashed 15 minutes after it took off, killing all 157 passengers _____

Mr.Brown ___ goes to bed before midnight.

—Was Martin sorry for what he had done? —_______. It was just like him.

The Internet is increasingly accessible at school and at home. _____many parents and teachers are sometimes not as prepared as we should be to warn children about Internet threats.