--I wonder why everybody looks at me strangely when I cross the road. --In this city, you have to wait for a walk _____ to cross the road.
What the boy ____ make his friends happy.
----Where is Mary? ----At ____.
----Where ____ the dictionary? I can't see it anywhere. ----I ____ it right here. But now it's missing.
Five apples are not enough for them, they need ____.
----Would you please lend me the dictionary?---- ____.