The possibility _________ we won’t produce enough goods troubles everyone here.

All the students will have a party ____ the afternoon of January 1.[ ]

What’s the ticket on your desk, Li Lei? —It’s the ticket to Harry Potter. My father ______ it to me as my birthday present.

_________he waslate for school this morning . His mother was seriously ill.[ ]

This pen belongs to . is a red one.