—Can you come and give us a talk on Thursday or Friday?—I am afraid ______ day is possible. I am very busy these days.
My best friend Jack looks happy, and he always ________ a smile ________ his face.
I want to sing around the world __________.
Today you look ___________ better.
He always tells funny things to me and always ___________.
The Yellow River is ________ river in China.