1.Data shows that kids and teens who do read       frequently       (frequent), compared to infrequent readers, have more books purchased.

2.Your friend is forgetful and often forgets       to submit       (submit) assignments.

3.I learned that a fish is a cold-blooded animal and therefore is very sensitive       to       water temperature.

4.A large international meeting was held with the aim of promoting         sustainable       (sustain) development in all countries.

5.Only by doing this can our society become more         harmonious       (harmony) and safer!

6.The government has agreed to lift       restrictions       (restrict) on press freedom.