7) Can you hear what he (to say)?
8) The girl you (to talk) about (to be) the eldest daughter of my old friend.
14) Appetite (to come) with eating.
18) She often (to come) to see you? –Not so often, she (to be) a student now and (to be) very busy.
8. are talking,is
14.comes
18.does she often come,is