-Mike wants to know if_______ a picnic tomorrow. -Yes. But if it_______, we'll visit the museum instead.
All my classmates are Tibetans ____ me.
Cheongsam is one of ____ dresses in China. And many foreigners also like it very much.
The Great Wall is known ____ the world.
The children were so excited that they could ____ speak.
The policeman asked the child ____ so that he could take him home.