— Is Jack on duty today? — It ________ be him. It's his turn tomorrow.
—Does Bill do his new job well? — _____ ___ his old job. I’m afraid there’s no hope for him.
Many people swarmed into big cities to seek their ________ , but most of them failed. A. money B. earnings C salary D. fortune
Every Saturday morning we can see that old woman __________ shopping.
The doctor told me to __________ for a week.
They were trying to remove harmful ___________ from cigarettes.