问题:
Bless your heart, I know you didn"t break the vase ________.Don"t cry!
[ ]
A.on purpose
B.by accident
C.on business
D.by mistake
Bless your heart, I know you didn"t break the vase ________.Don"t cry!
B.by accident
C.on business
D.by mistake
[ ]
A.on purpose B.by accident
C.on business
D.by mistake
参考答案: