Come on, _______ you'll be late. [ ]
A. and
B. but
C. or
D. so
答案:C
Sam said sorry to his mother , so she _________.
A.forgave his mistakes
B.forgave him of his mistakes
C.forgave him about his mistakes
D.forgave him for his mistakes
一个数除以23,商是18,余数是20,这个数是( )。