----- Have you heard of Earth Day ?----Yes . The first Earth Day ______ in 1970 to educate us to protect our planet .
Betty writes ___________ than ___________ student in her classroom.
---Who is making much noise?---It ____ be Timmy. He is sleeping now.
- Mum, could you buy me a dress like this?- Certainly, we can buy_______ one than this, but_______ this.
Something ______ when they made a birthday card.
People in the UK say “holiday” while people in the USA say “ ”.