What is the most effective way to combine these two sentences? Mr. Dean offered to sell his bike. Becky's mother agreed to buy it. a. When Mr. Dean offered to sell his bike, Becky's mother agreed to buy it.

b. Mr. Dean offered to sell his bike, but becky's mother agreed to buy it.

c. Becky's mother agreed to buy the bike; but Mr. Dean offered to sell it.

d. Becky's mother offered to buy the bike that Mr. Dean agreed to sell.

In each of these combined sentences, the coordinating conjunction is in boldface. in which sentence is the coordinating conjunction used most effectively?

a. the telegraph changed communication, BUT people were slow to accept it.

b. today, people have many wireless options, OR each one has its good points.

c. email is still used for many purposes, FOR text messaging is becoming more common.

d. cell phones are popular, SO they can send text messages