STELLA: Good morning, sir. Is Mrs Johnson here?
SHOP ASSISTANT: I'm sorry, but she (work) at the moment.
STELLA: Where (she/work) ?
SHOP ASSISTANT: She (look after) the neighbours' children. They always (finish) work very late and (need) a babysitter.
STELLA: But she (not like) children. (she/treat) them well?
SHOP ASSISTANT: Yes, sure. The neighbours (be) very happy with her. She always (prepare) them something to eat if their parents (arrive) home late.
STELLA: I can't believe it. I (not understand) it.
SHOP ASSISTANT: Look! She (come) . Please, don't tell her anything about what I said.
STELLA: Don't worry about that.