Open the brackets using the -ing form or the infinitive with or without to: 1.Lizzy was looking forward to (travel) to her sister Jane
2.Grandparents are always happy (see) their grandchildren
3.Puppies cannot (talk).
4.Lydia preferred (dance) with officers at balls.
5.Please, avoid (tell) lie to anybody.
6.You are very lucky (have) such attentive friends.