英语,现在完成时补充句子练习

英语,现在完成时补充句子练习
1．They ________ (finish)the work by the end of last month.
2．How long_____you ________ (stay) at home already?
3．My sister ________ (walk) to school everyday last year.
4．We ________ (have) an exam.again sometime next week.
5．The writer ________ (finish) several story-books since 1980.
6．I asked my mother ________ she ________ (come) back soon.
7．What ________ you ________ (do)when I called you
8．Don't cry!Our teacher ________ (go) over his lessons.
9．I believe that our volleyball team ________ (be)back in a week.
10．The famous scientist ________ (reach) Beijing two days ago.
11.He___(live)in his hometown since he left here.