根据汉语意思，完成下列句子，每个空格限填一个单词。

77. 你会告诉你的朋友你很关心他，但是你得去上课。

You will tell your friend that you are _________　 _________ him but you have to go to class.

76. It would help us achieve our dream of making black and white people e　　　　　　 .

75. Mandela was the black l　　　　　　 　to whom I went for advice. 　

74. As I lay _________ (在…..下面) the stars I thought about how far we had already travelled.

73. She is very _______________ (可信赖的) and I knew I didn’t need to encourage her.

72. I can’t j 　　　　　　　　　whether he was right or wrong.

71. They enriched the English language and especially its ________________ (词汇).

70. The latter gave a separate _________________ (身份) to American English spelling.

69. His uncle chose to s　　　　　　 　in the countryside.

根据下列句子及汉语意思或首字母提示，写出空缺处各单词的正确形式。每个空格限填一个单词。

68. You will _____________ (不理睬) the bell and go somewhere to calm your friend down.