This book on idioms is interesting. I’dlike , where did you buy it, Simon?—In the Amazon Bookstore,

Shall we go hiking this Sunday? －Sorry, I _______. I’ll have to take a piano lesson.

Daniel goes to the Reading Club _______ every Wednesday afternoon and goes to the Computer Club _______ Fridays. [ ]

We usually have a football match _____ Sunday. [ ]

All of us are proud _____ the great changes of our hometown. [ ]