Gerund vs Infinitive

I can't imagine . . . . at home. (work)

We have decided against . . . . a new car. (buy)

She seems . . . . her new job. (like)

The students hope . . . . the exam. (pass)

He won't go by plane. He is afraid of . . . . .(fly)

I am lazy. I don't feel like . . . . any work. (do)

Remember. . . .the letter. Otherwise, they won't get it by saturday. (post)

Have you ever learned how. . . .such a plane? (fly)

They were too lazy. . . .out with us. (go)

I always enjoy. . . .to my grandfather. He always tells me great stories. (talk)