It’s important for us students to pay attention to __________ the teacher in class.
— How much of his speech do you think you have understood?—________. I wish I had worked harder.
—Have you finished your homework yet?— No, I’ll finish it in ________ ten minutes.
— Do you know ________?— It’s about fifteen minutes’ walk.
—So we have finally met! Why not sit down and have a cup of coffee?—
The town government set up a modern hospital for the farmers, ________ it?