Our new English teacher is Mary Jones. We call her ______ .

The present system no longer meets the changing needs of our customers; we have to make a (n)          management system.

--- Do you think the weather is good enough for a field trip?--- Yes. You couldn’t hope for ________ day at this time of the year.

 At least 30 percent of the government speeches abandon ______ tones and embraced the most popular cyber words developed by Chinese netizens in the past year, for example, fuyun (floating cloud, indicating vanity).

My brother likes eating very much but he isn’t very ____ about the food he eats.