1 . ________ shocked us that as many as 100 species of fish, some unique to these waters, may have been affected by the pollution. (用适当的词填空)

2 . _____ is likely that investors(投资者) will face losses. (用适当的词填空)

3 . It is a fact ________ these national parks have obtained financial support from tourist companies.(用适当的词填空)

4 . It was April 29, 2011 ________Prince William and Kate Middleton walked into the palace hall of the wedding ceremony. （用适当的词填空）

5 . ____________is significant that girls generally do better in examinations than boys. (用适当的词填空)

6 . It suddenly occurred to him _____ he had left his keys in the office.

7 . It’s your fault _________ she hasn’t come to the party. （用适当的词填空）

8 . The fact that she was foreign made ________difficult for her to get employed in that country. （用适当的词填空）

9 . I find _________ hard to remember these words in a short time. (用适当的词填空)

10 . I find________necessary________we should spend more time practising spoken English. (用适当的词填空)