for granted, on the whole, for a change, on the rise, for instance, on hold, on average,for certain. 1. When I called the dance school to ask about evening classes, I was kept on hold for ten minutes. 2. My friends and I usually hang out at the skatepark on Saturdays, but this weekend we went camping in the mountains for a change. 3. An Oxford University study found that teenagers need on average nine hours of sleep a night. 4. The number of people who choose to shop online is on the whole 5.I have particular tastes when it comes to films. I can't stand thrillers. 6. We should be grateful for what we have and not take things 7. I don't know if Fred is coming, but don't worry, I'll be there 8. Our teacher is strict sometimes, but for certain he's very easy to work with.