Before our study we did not have data that could tell us __ those changes were small or large .
A. that B. how C. when D. whether
Generally speaking , almost all the kids are ______about how everything around them works.
A. curious B. careful
C. anxious D. excited
Our government’s plan to fight against air pollution will focus on _____ information and handling PM2.5.
A. expressing B. representing
C. gathering D. acknowledging
Each time I ________ a good essay when reading newspaper , I cut it out and keep it.
A. work out B. come across
C. care about D. put down
A harmonious society is very important , so all the laws must be strictly _________.
A. watched B. observed
C. carried D. handled
The English teacher tells the students to have ______ for different races and appreciate the diversity of other cultures .
A. mercy B. sympathy
C. respect D. regret