I think you've got to the point __________ a change is needed, otherwise you'll fail.
----Mike! What are you doing there? ----Listen, Mum! I hear somebody______upstairs.
----Awould you like to have a try? ----Yes, very much. It ______to be exciting.
Alice, we are going to spend our holiday in Canada. If you ______, we can go to Italy instead.
----HI, Pete! Why are you in such a hurry? ----______the : train.
Would you please go and ______some water for me? I am thirsty.