Harry Potter is so interesting a book that lots of teenagers like to read _

I would like you to my birthday party,but I was busy and forgot to call you.

What do you usually do _____ Sundays?—We enjoy ourselves at the guitar club.[ ]

The advertisement says this kind of camera is wonderful. —Oh, don’t just believe the advertisement. The camera is it says.

There are many pears _____ the tree.[ ]