问题详情：
66. However，the next king of Prussia ,Frederick William, to (who) the amber room belonged, decided not to keep the amber room.
67. I lived in what you call”Ancient Greece” and I used to (write) about the Olympic Games a long time ago.
68. If panda’s habitat is (threaten) or they cannot find enough food, their numbers may decrease.
69. Only athletes who have reached the agreed standard for their event will (admit) as competitors.
70. Over time the computer (change） a lot.
【回答】
e atened admitted been changed
知识点：完成句子
题型：单词拼写
