It’s autumn in Beijing now. Most of the leaves have fallen down. — Yes. Only a few leaves _______ on the trees.

Hi, Kitty. _________ my teacher, Ms. Wang. She teaches _________ English.–– Glad to meet you, Ms. Wang.

I have a lot of problems ______ physics.[ ]

Don’t shout to the boy. It __________rude.

Could I look at your pictures? — Yes, of course you _____.