高等继续教育 / 专科英语II
正确率：100%
题型描述: 单选题
The agreement was signed last week and will become ＿＿＿＿＿ on November 1 of this year.
A.practical
B.available
C.efficient
D.effective
The agreement was signed last week and will become ＿＿＿＿＿ on November 1 of this year.
A.practical
B.available
C.efficient
D.effective
参考答案：