To sit________ (舒适地), passengers aren't supposed to eat or drink on the subway.
Thank you for giving me the useful________ (建议)to learn English.
The more you think about others, the more________ (有帮助的)you will be.
For modern society, the computer is a great________ (发明)。
The young man has no friends here, so he feels I________.
On Mother's Day, my mother was happy because I gave h________ a scarf as a present.
