1) Justin (write, currently)_ a book about his adventures in Tibet. I hope he can find a good publisher when he is finished.
is currently writing
currently writes
currently is writing
2) Usually, I (work) _ as a secretary at ABT, but this summer I (study) _ French at a language school in Paris. That is why I am in Paris.
work/am studying
am working/am studying
work/study
3) At the moment Sue (live) _ in London.
lives
live
is living
4) Listen! The birds (sing) _. They always (sing) _ in the morning.
are singing/sing
sing/are singing
are singing/are singing
5) I have to go now. It (get) _ dark.
get
is getting
gets
6) John often (take) _ sugar in his coffee.
take
is taking
takes