The careless driver knocked down the old man _________ was crossing the road.
You can, ____, come to join us in the singing programme.
He came home after midnight, and____, he got drunk.
---Could I borrow your motor bike? ----Yes, of course, you____.
----Why is the boy crying there? ----Because____ his father.
----How is your grandmother? ----She____ for many years.