rewrite the following sentence replacing the underlined words right my brother speak fluently English​

This device blocks an opening along the base/floor of stairs or other walking or working surfaces where materials or body parts might otherwise inadvertently fall through. it should be 4 inches high, with not more than ¼ inch clearance above the floor

The development of new inventions in the field of space travel seemed rapid. how does the word rapid function in a sentence?

Tap out the stresses as you read line 9. which analysis best describes the rhythm and its effect on meaning