There is no doubt that he is a good professor__________he is doing fine.
They believe that there is _________ in the world.
---How about going for a walk after supper? -----__________.
Frank, with his two sisters, ________ London by train which ________at 8:30 next morning.
--- I know you are an expert in skincare. ---________, but I do know something. So how can I help you?
Every minute ________ spoken English.