一、从各小题所给的A、B、C、D四个选项中选出可以填入相应空白处的最佳答案。（每小题1分，共15分）
I stood in the doorway, watching my older brother carefully putting clothes into his bag .I coughed uneasily. Finally 1 that I was there, Rocky turned toward me with a sad smile.
“I’m 2 tomorrow,” he said.
“I know.” My 3 was almost a whisper（低声）.I was 4 at myself for being so weak ,but I wasn’t about to cry .
“My 5 is early ,so there is still 6 time to come to the airport,” he said .Seeing the 7 look on my face ,he quickly added, “I promise(答应) I won’t leave without saying goodbye.”