3 . 我们花费很多时间和精力为即将到来的假期做安排(it, arrangement)。(汉译英)

____________________________________________________________________________________________

4 . So I thought ________ would be useful to include some humor tips for everyday life.(用适当的词填空)

5 . ________________is important for you that we should study hard . （所给词的适当形式填空）

6 . 人们一致认为环境污染已经成了最严重的问题之一。（recognize）
______ ______ ______ ______ environment pollution has become one of the most serious problems.

7 . 看到陌生人之间这般彼此关照，实在令人感动。
________________ to see how much strangers could care for each other.

8 . 最后但同样重要的是，对我们学生来说，养成一个好的学习习惯很重要。(it作形式主语)
Last but not least, _________________ a good study habit.

9 . It is natural for a teenager at that age to feel he or she likes somebody. (it作形式主语)
仿写In many cases, it was said that___________________________________ .
在很多情况下，代沟问题是很难解决的。