Infinitive or Gerund?

Choose the correct verb form.

Emma suggested ............. for a walk.

I'm glad he decided ....... .

I have no idea what ...... for a drink.

Tom wrote to me he was looking forward to ............. us at Christmas.

Why ..............until tomorrow?

I don't mind ........... alone.

How many times a week do you have...............?

My boss reminded me ............. my email.

He kept ............ eye contact.

My mum made me............ my medicine.

He left without ...............goodbye.