Thank you _____ your answers _____my questions. [ ]

Things made of plastic are usually _______, but they are _______ to get polluted.

He goes to work early on workdays ______ Saturday and Sunday. [ ]

He was wearing a pair of sunglasses and I didn’t _____him at first.

I called you at 7:00 yesterday evening,but no one answered.Sorry,I_______ with my family at that time in the cinema.