This pair of shoes doesn’t look good, but that pair is ____ better, I think

Einstein’s most famous theory is ______ we call the Theory of Relativity.

Have you been working in this company since graduation? — NoI _______ in another company for two years[ ]

_________ people’s discussion and you will know a lot.

Sometimes I am even sleepy in class.—It’s terrible. You _____ as well go to bed earlier.