- 语音
- 词汇
- 词法
- + 系动词
- 动词原形
- 情态动词
- 动词不定式
- 助动词
- 动词短语
- 动词辨析
- 动词的第三人称单数
- 动词的过去式
- 短语动词
- 动词的现在分词
- 动名词
- 动词的过去分词
- 句法
- 写作
- 常见话题
- 阅读理解
- 日常交际用语
- 听力
- 话题
- 翻译
用所给词的正确形式填空。
1. We can use solar panels to__________ (change)sunlight into electricity.
2. It__________ （be）motion energy.
3. They come from the remains of dead__________ (plants) and __________ (animals).
1. We can use solar panels to
2. It
3. They come from the remains of dead
选择were和was填空。
1. I _____ born in May.
2. _____ you in China last year?
3. There _____ a book and some pens here yeaterday.
4. They ____ happy yesterday because they found their basketball.
5. He _____ busy with his homework last night.
6. My father and I _____ shopping at 9:00 last Sunday.
1. I _____ born in May.
2. _____ you in China last year?
3. There _____ a book and some pens here yeaterday.
4. They ____ happy yesterday because they found their basketball.
5. He _____ busy with his homework last night.
6. My father and I _____ shopping at 9:00 last Sunday.
用括号里单词的适当形式填空
1. When I am ________ (do) my homework, my mother is ________ (cook).
2. He has to _________ (travel) the country in search of work.
3. How __________ (do) seeds travel?
Seeds _________ (travel) in many ways.
4. What _____ (be) they talking about?
They are _________ (talk) about the seeds of plants.
1. When I am ________ (do) my homework, my mother is ________ (cook).
2. He has to _________ (travel) the country in search of work.
3. How __________ (do) seeds travel?
Seeds _________ (travel) in many ways.
4. What _____ (be) they talking about?
They are _________ (talk) about the seeds of plants.