Li Na is a Chinese tennis player, who is said ________ the world championship last year.
----- Mary looks very upset. She _______ failed to pass the exam. ----- I guess so. It's very difficult after all.
— When could you have a meal with me? — I'd like to go ___ it is convenient to you.
— Who are you going to have _______ this letter for you? — My secretary.
Not others but Mother always _____ children ______ in their beautiful clothes.
The West Lake we visited last year was really_____ attraction and we'd like to visit it _______ second time next year.