Which of the following sentences is a complex sentence? O Alex looked for Martha and Samuel at the train station, but they had already gone.
O Martha and Samuel arrived at the train station before noon, and then they waited for Alex.
O Martha and Samuel left on an early train, so Alex did not see them at the station.
O After they left on the train, Martha and Samuel realized that Alex must have gone to the bus station.

reasoning from several particular examples to establish a general principle

different routes can lead to sammy to different places, with different roads.   if you check a map, you can see the routes.   try to make connections of the places and count how many there are.   hope this : )

what excerpt?

explanation:

a. conversing outside

explanation:

conversing outside is an example of a communication style.

i hope this you, and have a wonderful day!