4 . Choose the correct options.
1. You need to listen to the announcement/arrangement to find out who is playing next.
2. Please fill in the regulation/application form if you want to sign up/stand up for the run.
3. Proudly/Amazingly, my cousin was able to recover from his illness and play in today’s basketball game.
4. Please turn off/show up your flash when taking photos.
5. He hurt/quit the game after an argument with one of his teammates.
6. The school sports meet held every spring has become an annual/extra event.
7. You have to wear a helmet when riding in case/so that you fall off the bike.
8. Within/Without half an hour after our arrival at the gym, Caroline was starting to complain.

5 . 选用方框内合适的内容替换下列句子中的划线单词。

A. at once                         B. broke out             C. happen D. official statement             E. terrible storm

1. The writer was sleeping downstairs when the volcano erupted.
2. When the fire alarm sounds, act immediately to ensure your safety.
3. We were shocked by the announcement that the heavy rain caused a landslide.
4. If headaches only occur at night, lack of fresh air and oxygen is often the cause.
5. A hurricane can tear down houses, cause landslides and floods and leave millions homeless.

7 . 根据语境及汉语提示写出正确的单词
1. natural ________ (灾难)
2. glass ________ (管子)
3. volcanoes ________ (爆发)
4. reply ________ (立刻, 马上)
5. ________ (飓风)lamp
6. ________ (滑坡) control
7. never ________ (发生)
8. official ________ (通知)