根据内容完成句子。(10’)
（1）There is more water than         （陆地）.
（2）I want to be an                （科学家）in the future.
（3）       （多么） happy they are to have the trees!
（4）We must take             （照顾.关心） of them..
（5）We had a             （谈论.交谈） for a long time.