問題詳情：
根據句意，從方框中選擇恰當的短語填空，有的需要變換形式。
clean up, cheer up, give out, used to, come up with |
1. Lots of college students are __________ cards on the street.
2. He __________ a plan for the meeting just now.
3. Alice is helping her mother to __________ the kitchen.
4. The children __________ quickly when I agreed to help them.
5. She __________ be thin, but now she is a little fat.
【回答】
1. giving out 2. came up with 3. clean up 4. cheered up 5. used to
知識點：選詞填空
題型：完成句子
