I am_____ to learn that Picasso produced more than 20,000 pieces of art ___ he wasn’t just a painter

Millie，is there anything else you want to know about Yangzhou paper cutting—Yes，I am still wondering __________ .

She was so angry at hewas doing she walked out, andclosed the door heavily behind her.

I don’t know the reason _______ you were absent from the meeting, and I am not sure whether someone will tell me the reason _______you haven’t told me.

Don’t forget _____ your history and math books tomorrow morning. — Thanks. I won’t.