The old scientist devoted all her time she had ____ the western parts of China.
— Did you enjoy yourself during the holiday? — Yes, we had ____________ in Beijing.
The _________question is much more difficult than this one.
“What’s one fourth and a half, do you know?” “Yes, it’s ________”
More college graduates would like to work in _______west part of our country ______ next year.
It is said that ______ apple _______ day keeps the doctor away.