There is ________ 800-metre-long road behind ________ hospital.
The kind teacher devoted all her time ___________ her students.
— It’s dangerous to walk across the street carelessly. — You’re right. We can’t be careful while crossing the street.
It’s quite clever ________ you _______ out the problem.
---Tom, you play football in the street. ---Sorry, I do it again.
Not only Mr. and Mrs. Green but also their daughter ________ to China twice.