The Turners consider ____ a computer, which is commonly considered _________ a great help in our work and study.
It was the first time that I _______ visitors since I’d moved to London.
---Has Ingid handed in her paper yet? ---I’m not sure. She _______ on it last week.
---Have you seen ________ toothpaste? ---Isn’t it on ________ sink?
Lee devoted _________ he has to the homeless children so that they could rebuild their homes after the earthquake.
Please give the ticket to ___ you think is the most suitable in my office.