—How was the dinner last night? —It was OK, but I made a mistake . I____ arrive at 7:00,but I arrived at 8:00.
I’ll have an interview tomorrow, so I need to get my shoes _________.
I like sleeping with the window open ______ it’s too cold.
When the teacher came in, the students stopped _______ and became very ________.
—Do you believe that paper is made _____wood ? —Yes, I do . And you can see that books are made _____paper.
—How much ____the pair of trousers ? —Sixty dollars _____enough .