ๆฌกใฎ็ฉบๆฌใซๅ ฅใ้ฉๅใชๅ่ชใใ1ใ4ใฎไธญใใ1ใค้ธใณใ็ชๅทใงๅ็ญใใฆใใ ใใใ <ๅ้กๆ> I ____ a book yesterday. 1. read 2. reads 3. reading 4. readed