There are many types of rain, and they all create a different mood. Spring rain on fields and flowers can feel refreshing. On the other hand, a cold, steady rain in the middle of winter can make you feel a little sad. A thunderstorm might feel frightening, or it might feel exciting. All types of rain are necessary to water the earth’s grasses and plants. No matter where you are, you can use the mood created by rain as an inspiration to start writing. Write the sentence that is the topic sentence of the paragraph.

active voice: my father cut the tree.

passive voice: the tree was cut by my father.

active voice: people buy newspapers every day.

passive voice: newspapers are bought (by people) every day.

active voice: people have been using movies as political propaganda since world war ii.

passive voice: movies have been used as political propaganda since world war ii.

active voice: donna gave me my birthday present.

passive voice: i was given my birthday present (by donna). / my birthday present was given to me (by donna).

active voice: mom will leave the keys on the counter.

passive voice: the keys will be left (by mom) on the counter.

the words in parentheses are the agent of the passive voice and can be omitted when obvious, generic, or simply unnecessary.

ccd puts the honeybee populations and crop health at risk.

the above detail from paragraph 2 supports the inference about honeybee.

one is a red flower, and one is the sky when the sun sets.

may i ask what topic?