Are ____ Alan’s _______?A. those; box B. these; boxes C. this; boxes
—Do you know that old woman?— Yes, she is Mrs. Green. And she ____ leaves her house because she can’t walk far.
In the school talent show, Linda performed well and Ann did even .
— Are you free this Sunday?— Yes, I am. I have ________ to do.
The Great Wall is famous lots of visitors all over the world come to visit it every year.
--- May I speak to Robert?---- _________ .