根据汉语意思完成句子。
1. 我最喜欢熊猫了,因为它们太可爱了。
I _________ because they are so cute.
2. 我不同意你的意见。
I _________ you.
3. 我相信这是部令人兴奋的电影。
I_________ it is an exciting film.
4. 我们正在尽力挽救海牛。
We _________ save the manatees.
5. 过去有许多海牛。
There _________ a lot of manatees.
6. 1972年发现海牛濒临灭绝。
In 1972, it was discovered that manatees _________.
7. 一些沼泽地已经受到污染。
Some of the swamps _________.
8. 你们在业余时间都干些什么?
What do you do _________?
9. 他说自1998年以来他就一直当记者。
He said he _________ as a reporter since 1998.
l. like pandas best 2. disagree with 3. believe that 4. are trying to 5. used to be
6. were endangered 7. have been polluted 8. in your spare time 9. had worked