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Harriet is visiting David, who hurt himself when he fell off a ladder. Complete the conversation using can

or a form of be able to. Sometimes there is more than one possible answer.

Harriet: Hello, David. I’m sorry I haven’t (►) been able to come (come) and see you before.

I’ve been really busy lately. How are you?
David: I’m OK, thanks. (1)………………………………………. (I / walk) around now.

The doctor says (2) ………………………………………………. (I / go) back to work soon.

It’ll be nice (3)…………………………………………….. ….. (get) out again. I hate being stuck here like this.

I haven’t (4)………………………………………….. (do) anything interesting.