Look! There is _____ colour bird in the tree. ______ bird is singing.

Why is the classroom so dirty?——Sorry, Sir. It _____ yesterday. We forgot to do it.

The book is _______.I wrote____ name on its cover _____.

Dad,mustIpractise thepianotoday?—No,you _.You may doit tomorrow.

Where did you go ____ vacation?[ ]