Which sentence contains a progressive verb?
a. i was walking down the street when it began to rain.
b. dad will cook dinner tonight while mom works late.
c. i have begun to collect stamps.
d. have you seen my winter jacket anywhere?

In this unit we learned about arguments and

For this assignment, you will create a multimedia presentation in response to the following prompt: research suggests that laughter improves people’s emotional and physical well-being. create a multimedia presentation to inform the audience about the positive effects of laughter on emotional and physical health.

Dogs make wonderful pets because they us stay happy and healthy. the topic sentence is "dogs make wonderful pets." , is this correct? i keep doubting myself.