It’s nearly eight o’clock. I must hang up and get down to work. My boss________ be here at any moment.
---Sorry, Professor Smith. I didn’t finish the assignment yesterday. ---Oh, you___________ have done it as yesterday was the deadline.
Every few years, the coal workers ___________ their lungs X-rayed to ensure their health.
If our parents do everything for us children, we won’t learn to depend on___________
Sean has formed the habit of joggingthe tree-lined avenue for two hours every day.
That is the only way we can imaginethe overuse of water in students' bathrooms.