When Marx was in London, he _______ read at the library for hours.

Plastic bottles can be recycled but they need cleaning thoroughly, _______ they?

I’m looking forward to___you. I miss you. [ ]

At present, one of the best ways to study is working in groups. —More chances _______ to students to learn from each other.

My daughter likes to have her photos taken _____there are many different kinds of flowers. [ ]