根据句意和首字母提示完成单词。
1. My brother couldn't r_______ a boat when he was six.
2. Jane is a s________ girl. She's very good at her subjects.
3. Three p_______ four is seven.
4. Wen Yong is good at making m_______ planes.
5. Tom did it y_______, not today.
1. row 2. smart 3. plus 4. model 5. yesterday