Ⅰ. 根据句意和首字母提示，用本单元所学单词填空。
1. Whenever there are natural disasters or serious emergencies, the a plays an important role in keeping our country safe.
2. In China, children in p school usually start their education at the age of six or seven.
3. My mother has to work overtime every weekday, so I always h o with the housework, such as washing dishes and sweeping the floor.
4. After seeing the news about children in mountainous areas lacking school supplies and warm clothes, many people are willing to d money to charities to help those in need.
5. The host greeted us w when we arrived at the party. It made us feel relaxed right away.

Ⅰ. 1. army 2. primary 3. help out 4. donate 5. warmly

Ⅱ. 用括号内所给词的适当形式填空。
1. Linda is very outgoing. And she make many new friends since she came here.
2. My parents like travelling a lot. They visit three different countries since last year.
3. The little boy lose his toy car yesterday, so he cried for a long time.
4. —What do you think of Taiyuan?
—We live in this modern city for ten years and we really love it.
5. Tom be a volunteer with his friends at the nursing home for a few months, and he not finish his work yet.

Ⅱ. 1. has made 2. have visited 3. lost 4. have lived
5. has been, hasn't finished

Ⅲ. 把下列句子翻译成英语。
1. 你成为一名志愿者多长时间了? how long

2. 他已经在这家公司工作五年了。work for

3. 自从上个月那场雨之后,这里就一直很干燥。since

4. 我们已经为这次慈善活动准备了整整两周。prepare for, for

Ⅲ. 1. How long have you been a volunteer?
2. He has worked for this company for five years.
3. It has been very dry here since the rain last month.
4. We have prepared for this charity event for two whole weeks.