5. 他一年前去了美国，自那以来我就再也没有听到他的音信。

 He went to America one year ago and I          

4. 我还从来没有去过像上海这样的大城市。  

       a big city like Shanghai.

3. 汤姆昨天给了我他的地址，但恐怕我把它弄丢了。 

Tom gave me his address yesterday. But         .

2. "亲爱的，你什么时候回家？" "我一完成工作就回家。"

―Dear,when will you come home?

―I will go home        the work.

你好，我不知道你在伦敦，你在这儿多久了？

 Hello,I know you were in London.

          ？

5. It's the third time I     (meet) him this month.

4. You shouldn't leave school before you      (finish) your assignments.

3. We      (be) neighbours since we were young.

2. The company      (promise) a rise in salary for ages.

1. —-         you      (know) him for long?

   -Yes. We      (be) friends since we      (be) young.