Succeed in / able to / manage

I have managed ______ (climb) Everest.

I don't think I have succeeded ________ (persuade) him to stay in Paris.

Paul managed ______ (learn) English during his holidays.

The stowaways have succeeded _____ (cross) the customs post.

The neighbours might manage ______ (organise) the party.

You will succeed ___ (knit up) this sweater because you are very skilful.

The girls may have managed _____ (build) this doll's house.

Have you succeeded _____ (lift up) this box ?

The pastry cook succeeded ____ (make) the cheesecake with this recipe.

I've never ______ speak Spanish as well as my brother.

• can

• could

• been able to

Answer explanation

I've never been able to speak Spanish as well as my brother.

In this sentence, we need the present perfect form.

The verb can has only two forms: present (can), and past (could).

We use be able to for all the other verb forms: present perfect, future, infinitive, gerund, etc.