Get Full Access to Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 4 English Language and Arts
Currently, you have limited access to Lumos StepUp - Smarter Balanced Online Practice and Assessments - Grade 4 English Language and Arts. The Full Program includes,
The ostrich is the largest bird in the world, but it cannot fly. Its legs are so ____________ and long that it can travel faster by running. Ostriches use their wings to help them to gather speed when they start to run. They also use them as brakes in turning and stopping.
Which word best fills in the blank and clearly completes the authors thought?