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2.我們需要吃各種各樣的食物。(all kinds of)

1.為了保持健康，我認(rèn)為我們應(yīng)當(dāng)做好這些事情。

(to stay healthy)

5. He has been a student since nine years ago.(對(duì)畫線部分提問)

            been a student?

4. They have known each other for 8 years.(改為同義句)

They have known each other        2007.

3. We began to learn English three years ago.(改為同義句)

We             English three       years.

2. The Browns have lived here for 10 years.(對(duì)畫線部分提問)

              the Browns lived here?

1. I have kept the dictionary for two weeks.(用 since短語改寫句子)

I have kept the dictionary             .

(   ) 5. - How long has Robert      .

 —Since 2004.

   A. been to Beijing

   B.  become a policeman

   C.  joined the art club

   D.  studied in this school

(   ) 4. He       Luzhou for three months.

   A. has left

   B.  has come to

   C.  has gone to

   D.  has been away from

(   ) 3. Mr Fan       this watch in 2005. He       it for 10 years.

   A. bought; has had

   B.  bought ; has

   C.  has bought; has had

   D.  has bought ; had