二、从方框中选出恰当的单词并用其适当形式填空。

1. Many students choose to as community workers to help the elderly during holidays.
2. It is a good habit to what you have learned before exams.
3. He the dust out of the rug with a stick until it was completely clean.
4. Tina began to at us warmly when she saw us walking towards her.
5. I him to be careful of the wet floor, but he didn't listen to me.
6. A rain came down, but the volunteers still kept cleaning the street.
7. He felt to miss the school sports meeting, but he cheered for his classmates online.
8. My often come to visit us and bring us delicious snacks on weekends.
9. The reporter will some excellent students about their school life.
10. Knowledge is , so we should keep learning and make ourselves stronger.

1. volunteer 2. review 3. beat 4. wave 5. warned 6. sudden 7. unlucky 8. relatives 9. interview 10. power

本题考查从方框中选词并用适当形式填空，需结合句子结构、时态、词性及语境完成：
1. 固定搭配choose to do，选volunteer原形；
2. 固定句型it's a habit to do，选review原形；
3. 由was可知用一般过去时，beat的过去式为beat；
4. 固定搭配begin to do，选wave原形；
5. 由didn't listen可知用一般过去时，warn的过去式为warned；
6. 形容词修饰名词rain，选sudden；
7. feel后接形容词，选unlucky；
8. 谓语动词come为复数，名词用复数relatives；
9. will后接动词原形，选interview；
10. 名词作表语，选power。

三、根据汉语提示完成句子。
1. 天气预报在两天前就提醒过我们台风即将来临。
The weather report us the coming typhoon two days ago.
2. 当外面大雨倾盆时，你在做什么？
What were you doing the rain heavily outside?
3. 亨利在飓风来临前尽可能快地跑向了避难所。
Henry ran to the shelter before the hurricane arrived.
4. 他们设法在风暴变得太强之前到达安全区。
They the safe zone before the storm became too strong.
5. 大火产生的烟雾太浓了，无法看清东西。
The smoke from the fire was thick see through clearly.

1. warned；about 2. when；was；raining 3. as；quickly；as；possible 4. managed；to；reach 5. too；to

本题考查八年级英语Unit5相关的固定短语、时态及句型运用，具体如下：
1. 考查固定搭配warn sb about sth（提醒某人关于某事），由时间状语two days ago可知用一般过去时，故填对应形式。
2. 考查when引导的时间状语从句及过去进行时，“当……时”用when，“大雨倾盆”对应rain heavily，结合过去进行时结构填写。
3. 考查固定短语as quickly as possible（尽可能快地），符合语境要求。
4. 考查固定搭配manage to do sth（设法做某事），结合语境用一般过去时，“到达（某地）”用reach，故填对应形式。
5. 考查固定句型too...to...（太……而不能……），符合句意结构。