1 . His suggestion was ________we should have an assistant. There is too much work to do. （用适当的词填空）

2 . To my surprise,the small village is no longer ________it used to be. （用适当的词填空）

3 . He was fired from the factory. That was ________he was too lazy. （用适当的词填空）

4 . They also need to be ready to give interviews in English with international journalists. This is ________ they need an English trainer. (用适当的词填空)

6 . ________some students are not aware of is ________difficult life can be if they are not devoted to their study. (用适当的词填空)

7 . Art is not _______ you see, but what you make others see. (用适当的词填空)

8 . That’s _________ lots of people in China have healthy white teeth. (用适当的词填空)

9 . What we want to know is ________ caused the accident. (用适当的词填空)

10 . A question worth attention is ________ we can stop pollution. （用适当的词填空）