4.他们到达山顶时，太阳已经升起来了。

      the       they got to the top of the mountain,the sun        .

3.来这儿之前，迈克巳经在一家电脑公司工作三年了。

Mike                 in a computer company for three years before he came here.

2.当我起床时，妈妈已经从市场回来了。

My mother               back from the market when I got up.

1.他说他来海南已经有一年半了。

He said he             in Hainan           one and a half years.

10.She      (not go) to Qingdao yesterday because she      (be) there before.

9.We were surprised at what she already       (do) .

8.I waited until he      ( finish ) his homework.

7.We      (learn) about 4,000 English words by the end of last term.

6.When I      (arrive) at the station this morning,he       (leave) .

5.The Reads(have) lunch when I        (get) to their house at 12 ：30.