原因状语从句专项练习1. _ youve got a chance, you might as well make full use of it. A. Now that B. After C. Although D. As soon as2. He found it increasingly difficult to read, _ his eyesight was beginning to fail. A. and B. For C. But D. or 3.A man cannot smile like a child, _ a child smiles with his eyes, while a man smiles with his lips alone. A. So B. But