My friend, Li Ling invites me _____ his home. [ ]

My father’s office is at the top.I can see the whole city _____ the office.[ ]

It’s my mother’s birthday tomorrow. I will buy _____ a CD as a present.

Why not take this sweater, Li Hua?—I have only 20 yuan. I can’t _____ it.

Our teacher asked us to_______ a story about the moon.