You’ll succeed _____because you are always working hard.
My new pen ______. Who ______ have taken it?
— Can I smoke here?— Sorry. We don’t allow ______ here.
— Where is my dictionary?— You ______ it in the wrong place.
She spends her money______ books ______ on clothes.
— David hasn’t come yet.—I think he will ______ soon, for he means what he says.