Whose shirt is this?–It _______ be Li Lei’s. It is too big for him.

Look at the bird over there! It’s so beautiful!— Wow! It’s a rare crane. It appears in this area.

How old is your mother? —She is ______years old. Today is her ______birthday.

Tony does as ___ in football as David.

Don’t ______, my children. Keep working on and you will be successful.—Thank you. We’ll try our best.