School: gerund and infinitive

I'm not very good at ... languages.

• learn

• to learn

• learning

He enjoys ...... to you.

• talk

• to talk

• talking

I asked him .... me.

• help

• to help

• helping

I must ... my homework.

• do

• to do

• doing

My mother wants ...... when I will come home.

• know

• to know

• knowing

Are you interested in ............. for us?

• work

• to work

• working

I asked him ... slowly

• speak

• to speak

• speaking

I must ... more about this writer.

• learn

• to learn

• learning

I enjoy ....... the piano.

• play

• to play

• playing

I don't like ...... very fast.

• walk

• to walk

• walking