Preschoolers are correct in their use of grammar ___________ of the time

By _____ years of age, children's grammatical knowledge has already developed to the point that they are able to produce complex sentences

A) 2 B) 3 C) 4 D) 5

Regarding the activities of an organism, motivation is the process of initiating, directing, sustaining, and

these activities. a. supplying b. terminating c. surveying d. elaborating