－Mona works really hard.－I agree. ___________she is ill, she still goes to school.

---_________do you write a letter to your father?--- I seldom or never do that now. Instead, I call or e-mail him almost every day.

—The final round of the competition is coming near. Can I really do well this time? —Believe in ______. You’re always the best in our school. 

Yuejiang Tower is a good place to enjoy the beauty of the Changjiang River because of its       .

No one knows ______ the task will last. What a pity!