Who can tell me_______? —Every 15 minutes.

There’re some windows ______ the wall. [ ]

Tom, do you know if Sam ________to my party next week?—I think she will come if she________ free.

Look, what’s that over there, under the tree?—It’s _________e-dog. It is my cousin’s.

Can you see the boys football on the playground? They are my classmates.