介词 1( ) 1. Children get gifts _ Christmas and _ their birthdays. A. on; on B. at; on C. in; in D. in; on( ) 2. -There is nothing _tomorrow afternoon, is there? -No. We can have a game of table tennis. A. on B. in C. out D. up( ) 3. A lot of students in our school were born_March, 1981. A. in B. at C. on D. since( ) 4. My grandfather was born_Oct. 10, 1935. A. on B. in C. at D. of(
