Read the sentences and choose the correct options to fill in the gaps.
1.- Dan remembers (to hear / hearing) that melody the first time he met Cathy.
2.- Please remember (to buy / buying) the ingredients I need for cooking a new dish.
3. - Don't forget (to listen / listening) to that song.
4.- You'll love it! We'll never forget (to go / going) to the first trip to Europe.
5. - We don't need (to return / returning) Ben his books. He's already got them.
6.- This electronic device is out of order. I think the batteries need (to change / changing).
7- Dad tried (to watch/ watching) the film but fell asleep.
8.- Students tried (to hear / hearing) all the words in the radio show, but they couldn't.
1. hearing
2. to buy
3.to listen
4.going
5.to return
6.to change
7.to watch
8.to hear