"I wish you’d look at me when I'm trying to speak to you!" the teacher said      .

“I think the tie beautiful,” I said, “A man can never have ______ many ties.”

We didn’t know you were in trouble at that time; _______ we would have given you a hand.

 It seems that living green is ________ easy and affordable. A small step makes a big difference.

He began to take political science ____ only when he leftschool.