Mum, my friends are waiting for me outside. May I go out to play with them?— Yes, you , but be careful, please.

Our planet is about ______ years old.

_Is that Mary? _Yes. She’s nice and I like______very much.

The coat is very nice. Can I ______?

One of the most popular 3D films — Avatar Ⅱ________ in 2014.