I regret ____ so many donuts now.
— Have you found the poor dog yet? — Yes. But he was____ when we found him. The bad weather killed him.
We will have two family parties this autumn. One is at Halloween and _________is at Thanksgiving.
I don't know________ they have passed the exam.
— I wonder if I can learn English well. —________. All things are difficult before they are easy.
— What did Tina say? — Sorry, I didn’t ________ what she said.