- 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
Mike often helps his mother ________ the housework.
A.do | B.doing | C.does |
What _________ you _________ on Sundays? ( )
A.do; does | B.Does; do | C.do; do |
Twenty years ago, he didn’t ________ English. But he is ________ English now. ( )
A.learnt; learnt | B.learns; learning | C.learn; learning |