1. 六点钟了，该吃晚饭了。 
    It's six o'clock. __________________ supper.
2. 博物馆很近，为什么不走着去呢？ 
    The museum is quite near. __________________ on foot?
3. 我的电脑坏了，你能帮我修一下吗？
    ____________________ my computer. Could you help me mend it?
4. 很抱歉让你久等了。
    I'm sorry ___________________ for a long time.
5. 他过去玩电脑游戏的时间太多，结果对学习不感兴趣了。
    _____________________ he was not interested in his lessons.

1. 我通常在六点钟起床。
    I usually ________ ________ at 6 o'clock.
2. 维克斯在车站等谁？
    Who is Vickers ________ ________ at the bus stop?
3. 你妈妈每天洗衣服要花多长时间？
     How long does it ________ your mother to ________ the clothes?
4. 这条河不像过去那样干净了。
    The river isn't as clean as it ________ ________ be.
5. 你曾经和父母吵过架吗？
    Have you ever ________ ________ your parents?