I enjoy listening to the songs _______by ourselves.
Tom ate a big cake only a few minutes ago. ______ he is not hungry.
______ we gave him something to eat, he would save it up for his little sister.
--All students must hand in your exercises right now.-______ We don’t have enough time to finish them.
Smoking is one of the ______ cause of cancer, killing millions of people each year.
______ his father’s letter, he decided to make a call to him.