Is that Mary?－No, it _______be her. She has gone to Tokyo.
Look, There’s __________ sheep on the hill and there are _______ children, too.
Speak slowly, Mr. Wang. I can’t follow you.
They said they are twin brothers. No wonder they have so many things _______.
Where are you going for your vacation?—I want to go to a place_____the people are really friendly. [ ]