More and more high-rise buildings have to be built in Xinjiekou in Nanjing _____ space[ ]

The poem is hard to understand. Can you make ____ of it?

Let me ________ your phone number and I’ll call you when I’m free.

Mary _________ late for school. Now she is in the classroom.

I tried to work on, but I was so tired that I could no longer _____ .