Do you know _______ friends are coming to our party?
---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.
__________ she couldn’t understand was_________more and more students showed little interest in their lessons.
He suggested that a new library_________ near the key high school.