1. if引导的从句

　Write and tell me if you can come.　

　●?如果你能来,来信告知。=If you can come, write and tell me.　

　●?来信告知是否你能来。=Write and tell me whether you can come.

75. Over the past few years, the climate here has changed g________.

74. Students who have a great a _______ for knowledge will succeed in time.

73. The President a________ him to be ambassador to China.

72. She r_______ her mother in character but not in appearance.

71. She b_______ into tears the moment she heard the news.

70. It’s easier for a physical wound to heal than a m_______ one.

69. He couldn’t give a reasonable e_________ for his being late.

68. People all over China have great r_______ for Lei Feng.

67. James Cook made three v_______ around the world.