Question

summarizing informational texts — instruction — level e
control signals could prevent such tragedies.
a good old-fashioned traffic leaves regarding garrett morgans invention
cross
morgan invented an electric signal with three
positions. besides stop and go, there was a
signal for all vehicles to stop at once in order to let
pedestrians cross in safety.

Explanation:

The text is about Garrett Morgan's traffic signal invention, which aimed to prevent traffic tragedies. The blanks are filled based on context: the invention addresses traffic jams (first blank), it's a traffic signal (second blank), and the third position complements "stop" with "go", while the fourth refers to pedestrians crossing.

Answer:

1. A good old-fashioned traffic jam leaves Garrett Morgan's invention
2. cross
3. Morgan invented an electric traffic signal with three
4. positions. Besides stop and go, there was a

signal for all vehicles to stop at once in order to let
pedestrians cross in safety.