---- Do you think it's a good idea to make friends with your students? ---- _____ , I do.I think it's a great idea.
It is generally considered unwise to give a child _____ he or she wants.
He insisted that he _____ from heart trouble, but I didn’t think so.
The professor referred to _____ yesterday.
He got completely _____ when he saw both Lucy and Lily, who are twin sisters.
--- Shall I open the window to let some fresh air in? --- No, _____