the后加什么词性?

the双语例句

　　1.I could come next week, or the week after.

　　我可能下周来，或者再下一周。

　　2.I called several times, but only got the answering machine.

　　我打了几次电话，但只有电话答录机答话。

　　3.The gene is activated by a specific protein.

　　这种基因由一种特异性蛋白激活。

　　4.She added a PS asking me to water the plants.

　　她加了一句附言，要我浇花。

　　5.The course is 1 year FT, 2 years PT.

　　该课程全日制学习一年，非全日制学习两年。

　　6.He didn't give an adequate answer to the question.

　　他没有对这个问题作出满意的答复。