Составьте, , по одному предложению на со словами: come back, come round, come out, come across заранее ))

1 When is your sister coming back from her vacation?
2 He couldn't come round after the surgery for quite a long time.
3 I would advise you to tell the truth - it will come out sooner or later anyway.
4 I came across an interesting article while reading the morning paper.