根据句意和汉语提示,填写恰当的短语完成下列句子。 1. She is the _____ (主唱) in the concert. 2. We humans are hoping to live on the moon _____ (有朝一日). 3. He _____ (离开) yesterday. He has gone to Shanghai. 4. We have lived in the countryside _____ (在过去的几年里). 5. We went to the airport to _____ (与……告别) Mr Green. 6. _____ (一半的) the students have been to the museum. |