Beneath our feet_____ that our lives depend on for food and clothing.

.It is suggested that the students’ homework _______ in time.

Excuse me, can I smoke here? –No, ______.

Which one of these two dictionaries do you advise me to buy, Oxford or Longman?—Well, take Oxford. I think it is the ________ of the two.

_______ do you clean yourroom— Every day.