一、按要求写单词。
1. brush(第三人称单数)______ 2. east(形容词形式)______
3. tooth(复数形式)______ 4. collect(名词形式)______
5. wide(反义词)______ 6. worry(第三人称单数)______
7. quick(副词形式)______ 8. two(序数词形式)______
9. deep(反义词)______ 10. cloud(形容词形式)______

1. brushes 2. eastern 3. teeth 4. collection 5. narrow 6. worries 7. quickly 8. twice 9. shallow 10. cloudy

二、根据句意,从方框中选择适当的单词或短语,并用其适当形式填空。
fall outside exercise form rainwater
1. Water______ice when it gets cold enough.
2. The price of the toy often______after the holiday.
3. We plan to collect______to water the garden.
4. Steve is______at the playground to stay healthy now.
5. The birds sing______the window every morning.

1. forms 2. falls 3. rainwater 4. exercising 5. outside

三、补全短文。
阅读下面短文,从短文后所给的五个选项中选出能填入短文空白处的最佳选项,使短文通顺、连贯,意思完整。
Earth Hour activity is a really good way to let people know that little things they do can be good for the Earth. 1.______Now, most cities around the world join in this activity. During Earth Hour people turn off their lights, televisions and computers to save energy(能源). Some people may think that turning off the lights in one hour can’t save much energy. 2.______
A lot of energy is saved around the world during Earth Hour, but people should do more to help the Earth. 3.______Walking to school saves energy. Turning off the tap when you brush your teeth saves energy. 4.______
Taking part in the Earth Hour activity is one of the ways for us to show our love and care for the Earth. 5.______Let’s take action now.
A. Using both sides of the paper saves energy.
B. Earth Hour started in Sydney, Australia, on 23rd March, 2007.
C. We work together to make the blue planet a better place to live!
D. There are so many other things we can do every day to save energy.
E. However, if millions of people turn off their lights, they can save much energy!

1. B 2. E 3. D 4. A 5. C