This key ring doesn’t belong to _______, maybe it’s ________.
--- How many of you have solved the math problem?--- ________, the math problem is far too difficult for us to work out. .
—Tony, ____you _____ smoking? —Yes. Drinking tea is my favorite now.
Plan your time carefully and make sure you have some time ___ what you like every day.
I won’t go to the concert this evening. I ________ watch the NBA on TV. It’s more exciting.
Paul isn’t as ______ as Sandy. He often makes mistakes in his homework.