A. Elizabeth was writing a note to her friend as soon as the train arrived.

B. After the train arrived, Elizabeth was writing a note to her friend.

C. The train arrived while Elizabeth was writing a note to her friend.

D. Elizabeth was writing a note to her friend whenever the train arrived.

A. When the water is very cold in January, we go swimming anyway.

B. As the water is very cold in January, we go swimming anyway.

C. The water is very cold in January if we go swimming anyway.

D. Although the water is very cold in January, we go swimming anyway.

A. Since the water was very rough, the lifeguards made all of the swimmers leave the water.

B. The water was very rough so that the lifeguards made all of the swimmers leave the water.

C. The water was very rough because the lifeguards made all of the swimmers leave

D. The lifeguards made all of the swimmers leave the water though the water was very rough.

A. Mike goes jogging two miles every morning after he gets ready for work.

B. Mike goes jogging two miles every morning before he gets ready for work.

C. Mike goes jogging two miles every morning as soon as he gets ready for work.

D. Mike goes jogging two miles every morning when he gets ready for work.

A. Ticket prices might be more expensive then going to the movies is still much cheaper than going to a concert.

B. Ticket prices might be more expensive that going to the movies is still much cheaper than going to a concert.

C. Going to the movies is still much cheaper than going to a concert since ticket prices might be more expensive.

D. Going to the movies is still much cheaper than going to a concert although ticket prices might be more expensive.

A. We went to Dong Xuan Market while we flew back to Ho Chi Minh City at 7pm.

B. Before we flew back to Ho Chi Minh City at 7pm, we went to Dong Xuan Market.

C. We went to Dong Xuan Market in order that we flew back to Ho Chi Minh City at 7pm.

D. As we went to Dong Xuan Market, we flew back to Ho Chi Minh City at 7pm.

A. You need to plan your trip to America carefully so that you don’t spend all your money too quickly.

B. You need to plan your trip to America carefully although you don’t spend all your money too quickly.

C. You need to plan your trip to America carefully as you don’t spend all your money too quickly.

D. Even though you need to plan your trip to America carefully, you don’t spend all your money too quickly.

A. Although Richard is very wealthy, he can afford to buy almost anything he wants.

B. Richard is so wealthy that he can afford to buy almost anything he wants.

C. Richard is very wealthy so that he can afford to buy almost anything he wants.

D. Richard can afford to buy almost anything he wants, but he is very wealthy.