問題詳情：
little boy’s bad ____________（行爲） at the party made his parents upset.
67. Though he is young, he is __________ (努力)to support a large family.
68. He (發表) a speech to the whole nation when he won the election.
69. It is __________(考慮周到的) of you not to make any noise while the others are having a rest.
70. It is worthwhile to spend the whole day in the forest _________(觀察) how the chimps live.
【回答】
66. behavior/behavior 67. struggling 68. delivered 69. considerate
70. observing
知識點：翻譯
題型：未分類
