—What a nice camera!—Yeah. It _______ Beijing.
.Many people didn’t realize the importance of health _______they have fallen ill.
---Let’s go to Kunming for vocation. It’s _________too hot ________too cold there.
----Do you know Robert?----Yes, He is ________ university student. He likes sports and runs for ___________ hour every morning.
Thank you for me to join you.
Math is not easy, I like it very much.