1 . Beijing Opera is one of the most ____________ (influence) operas in China, which has a history of more than 200 years. (所给词的适当形式填空)

2 . The children ________ (occasion) play tricks on their father.(所给词的适当形式填空)

3 . The diversity of creatures are greatly ______________ (benefit) to human beings. (所给词的适当形式填空)

4 . By now medical workers had arrived, and were looking after the________ (injure). （所给词的适当形式填空）

5 . Landing on the moon’s far side is ________ (extreme) difficult. （所给词的适当形式填空）

6 . Haiku, a Japanese poetry, has a format of three lines, containing 5, 7, and 5 syllables _________________ (respective).(所给词的适当形式填空)

7 . A more serious talk can begin with a quotation or a _______ (thought) question. (所给词的适当形式填空)

8 . I doubt whether Mr Bates is directly ____________ (link) with the crime. (所给词的适当形式填空)

9 . _____________(surprise), we caught the honest boy stealing money from others. (所给词的适当形式填空)

10 . We’ve already had a lot of ____________(favour) comments from customers. (所给词的适当形式填空)