The reason ______ he gave for being late was _______he forgot to set the alarm clock.

He was about to go to bed __________ the doorbell rang.

Stop _________, kids. Let’s begin our class.—- OK, Miss Li.

_________does it take to get to the school ——About 10 minutes.

many other boys of his age who are oftenaddicted to PC games, he is _______ on outdoor activities in the mountains