đề bài : sửa sai 1, when begins the race ? 2,who does the trumpet play ? 3, where flies the plane? 4, why write you this letter ? 5, do you what her

$1$. When does the race begin ?

$2$. Who plays the trumpet ?

$3$. Who flies the plane ?

$4$. $Why$ $you$ $write$ $this$ $letter$ $?$

$5$. $Do$ $you$ $know$ $what$ $her$ $name$ $?$

$6$. $What$ $can$ $I$ $do$ $for$ $you$ $?$

$7$. $Where$ $do$ $you$ $live$ $?$

$8$. $What$ $did$ $you$ $do$ $this$ $morning$ $?$

$9$. $Where$ $does$ $Peter$ $go$ $?$

$10$. $What$ $does$ $she$ $like$ $?$