Complete the sentences. Use ‘ll or won't. Amy's brother is thirteen. He____ be fourteen on his next birthday. I bought a lottery ticket, but I ____ win My dad is thirty-nine. He ____ be forty on his next birthday. My sister Mary is fifteen. She ____ be sixteen until next year. My brother's clever. He____ pass all his exams. It's raining now. But it____ be sunny later. Debbie and Bob are always late. They____ arrive until eight o'clock.