1. The ship turned about and left the spot. (±× ¹è´Â µÚ·Î ¹æÇâÀ» ¹Ù²Ù¾î ±× ÁöÁ¡À» ¶°³µ´Ù) 2. What is the book about? (ÀÌ Ã¥Àº ¹«½¼ ³»¿ëÀΰ¡) 3. There is an air of mystery about the case. (±× »ç°Ç¿¡´Â ¾îµòÁö ¼ö¼ö²²³¢ °°Àº µ¥°¡ ÀÖ´Ù) 4. I'll have to think about that. (±×°Í¿¡ ´ëÇØ¼ »ý°¢ÇغÁ¾ß¸¸ ÇÑ´Ù) 5. It's about time to start. (¶°³¯ ½Ã°¢ÀÌ °ÅÀÇ µÆ´Ù)