[填句补文]Five-year-old Lani still takes seven medicines with her breakfast every morning. “She‘s very good about it，” says her father David. Lani is alive today because of her father David， in more than one way; when she was one year old she received part of her father’s liver in a liver—transplant operation. Lani was born with a liver illness. ________. Doctors advised that a transplant was the only way in which she would live.
A.She had one operation when she was six weeks old， which was not successful.
B.David quickly recovered from the operation.
C.David was finally able to ride his bike again after about a year.
D.Doctors hope that she will continue to get stronger and stronger.
[填句补文]The weather of the Caribbean Sea is almost always warm and sunny.Sandy beaches line the coasts of many islands. ________. Many tourists arrive on cruise ships.
A.They are Cuba，Puerto Rico，Jamaica，and Hispaniola.
B.The Caribbean Islands are known by several names.
C.Some of these islands are no more than tiny slivers(小片)of exposed coral.
D.This is why millions of tourists visit the islands each year.