We must < do）our homework now.情态动词后接动词原形.
Wang Bin often < goes )to school by bike.主语第三人称单数
She can < play) the piano.（ 理由同1）
What Mike< have)?（理由同2）
He < has)some storybooks.
加油!不明白再问!
We must < do）our homework now.情态动词后接动词原形.
Wang Bin often < goes )to school by bike.主语第三人称单数
She can < play) the piano.（ 理由同1）
What Mike< have)?（理由同2）
He < has)some storybooks.
加油!不明白再问!