单句改错(共5小题,每小题1分,共 5分。每句只能改一处,在原句中直接改正) 小题1:Air hostesses all smile when they serve for the passengers. 小题2:No one matches him when it comes to swim. 小题3:A poor nourished body needs more energy to combat disease. 小题4:Foreigners always associate China to the Great Wall. 小题5:Not until then he realize the importance of the problem. |