C.    Thanksgiving is a holiday with a long history and significance. In 1620, Pilgrims were driven off course on the Mayflower, and landed in a place where they didn’t expect. Pitying Pilgrims’ sufferings, Indians were the first tribe 43._____them the needed help by teaching themhow to grow crops. However, a severe drought killed their crops. Thankfully, God answered Pilgrims’ prayer with rain, giving them a bountiful harvest. 44._____, a feast was held to show Pilgrims’ appreciation for Indians and God. Another tradition worth mentioning is the45._____ of two turkeys at the White House. Thiswas traced back to an incident that 46._____ in 1863. Tad, President Lincoln’s son, 47._____ with a turkey sent for the Thanksgiving dinner and later begged his father for its life. Touched by Tad’s unconditional friendship, Lincoln commanded that the turkey 48._____. After knowing about the origin of Thanksgiving, besides the feast, we should remind ourselves again of the true spirit of Thanksgiving-to give thanks to what we have.
【題組】43.
(A) which offered
(B) to offer
(C) offered
(D) to been offering