The ground isn't wet. It ________ have rained last night.
Realizing that everything she said had no effect on her son, __________.
Youare_____carefulthanyourbrother.Youtwocan’tdotheworkthatneedscareandskill.
Beneath our feet_____ that our lives depend on for food and clothing.
The factory produces half a million pairs of shoes every day, 85% ____ sold abroad.
Shackleton kept his promise ____he would return to Elephant Island ____the crew had been left.