单项选择题People have always been()about exactly how life on earth began.
A. curious B. excited C. anxious D. careful
单项选择题—How about your trip to Hainan —It couldn't have been ______. Sometimes I went swimming in the sea; sometimes I lay on the sand.
单项选择题We obey him, ______ we are afraid of him, ______ we honor and love him.
单项选择题Hainan Island is ______ largest island of China.
单项选择题When and where to build the new factory ______ yet.