— Look! The girl __________ long hair is building a snowman. Is she Sandy? — It __________ be her. I’m not sure.
China plans to let tourists________the Xisha Islands in the South China Sea this year.
—________do they go to the park? —Because they want to play games there.
—Let’s go to the zoo on Sunday morning. —________.
The________often cat grass on the hill.
You can see an________in the zoo.