1 . The TV programme had a massive audience, ranging from children ____________ adults. (用适当的词填空)

2 . She ____________ (be) faithful to her promise to guard this secret to this day. (所给词的适当形式填空)

3 . Listen! There must be someone ____________ (walk) through the jungle. (所给词的适当形式填空)

4 . A traveller without ____________ (observe) is a blind without wings. (所给词的适当形式填空)

5 . The beautiful flowers on cherry branches are the most ____________ (significance) sign of the arrival of spring. (所给词的适当形式填空)

6 . I’m sure there are all kinds of historic sites ____________ cultural relics need to be protected. (用适当的词填空)

7 . After many years of________ (marry) to his wife, he has believed her totally.(所给词的适当形式填空)

8 . He found his pen ________ (break) when he got back to the classroom from the playground.(所给词的适当形式填空)

9 . The species has nearly died ________ because human beings have done harm to them. (用适当的词填空)

10 . To some extent, the boss was content ________ her apology.(用适当的词填空)