His health is ______improving. I'm sure he will come back to work soon.

—I wonder ______you’ll water this kind of flower .—Every other day .

They had planned to go for a picnic, but because of the rain they had to stay home_______.

Of the two famous people, the former is Yao Ming, the      is Lin Shuhao.

When the expression first came into being, people refused （拒绝）to use it but _____ they began to accept it.