I am as busy as a bee these days. I can spare any time for a walk.

He was busy chatting online that he didn’t anything dangerous on the road while walking. As a result, he was knocked down by a car.

In order not to get into trouble, advertisers are increasingly cautious about taking out ads_______children.

d bythe news, Marie lay in bed with her eyes openwhile all her family were asleep.

You can’t pass the exam ______ you study harder.