National Day is coming. What are going to do during the _____ holiday—I will have a trip with my family.

Mum, can I go out to play for a while–No, you can’t, ________ you finish your homework.

The black horse is ______ of thepair.

Listen! Someone is knocking at the door.– ______ be Mary. She has just been to Beijing

The play had already been on for quite sometime when we _______ at the New Theatre.