My sister has two skirts. One is yellow，and____________ is black.

He must stay at home to look after his ____ mother .She has been _____for a week.

．I don’t suppose they’ll be seeing each other very often since she’s accepted that job in London,___________?

You ____ very happy today. Why—Because we are going to spend the evening at Lily’s house.

Do you know how I can ____ him—On his mobile phone．