注意：此页面搜索的是所有试题
题目内容
（国家开放大学国际航运英语与函电）
The discount of 5% agreed on was granted only ( ) no balance was outstanding from previous accounts.
A.on condition
B.on condition that
C.on that
D.depends on
A.on condition
B.on condition that
C.on that
D.depends on
参考答案
