【2012黔东南州】We can't pass the exam, ___________we study hard. A. because B. and C, unless D. or
If Carl promised you,he won’t________you________.He is a man of his word.
________you do,I won’t be angry with you because I love you so much.
I stay at home________on weekends,but I don’t feel________.
Many children ask their parents to give money to charities________buy them snacks.
I heard a boy________at the corner.So I went up to him and wanted to help him.