17.If Tom finds a favourite song, he may want to hear it over and over again to the point_________everyone else is sick of it!
Time should be made good use of ____ our lessons well.
— ____ you read the newspaper? — Yes. I ____ it on the bus while I was on my way to work.
We ____ on this project for four hours. Let’s have a rest.
Internet shopping is really ____ when people are sure of its safety.
Tired, Jim was fast asleep with his back ____ a big tree.