按括号内要求完成下列句子，每空格限填一词。 1. Grace learns English by reading aloud. (改为否定句) Crace ____ _____English by reading aloud. 2. Tina was waiting for me when I arrived at the museum. (对画线部分提问) ___ was Tina ____ when you arrived at the museum? 3. We may put the flowers in the classroom. (改为被动语态) The flowers may ____ _____ in the classroom. 4. He isn't old enough to see this thriller. (改为同义句) He is ____ young ____ see this thriller. 5. 他们将建立粮食储备所来帮助贫穷的人们. () They will ____ ____a food bank to help the poor people.