—You could always put the decisions off a little bit longer. —___________ If I leave it much longer I might miss my chance.
Scientists think that the continents _______ always where they ___today.
--- Would you tell me ______ you want your tea with sugar or milk? --- Sugar, please.
--- Would you tell me ______ you want your tea, with sugar or milk? --- Sugar, please.
Leaves are found on all kinds of trees, but they differ greatly _______ size and shape.
He began to take political scienceonly when he left school.