The key to exercise solutions in chapter 3c - Skills for the textbook Spark 4 - Student's Book with authors Virginia Evans, Jenny Dooley from Express Publishing
Question
Fill in: in, to, with (x2), on.
Answer
Modern technology allows us to communicate with people within seconds.
A lot of teenagers are hooked on their gadgets.
Jack is always glued to the TV and never does anything.
He doesn't participate in online games.
She is in touch with her friends almost all the time.