"Are you doing the test now" she said to Ba. 

-She asked Ba if he was doing the test then.

công thức: She/He asked + S + if/whether + V + O`

`@Tobi`

Đáp án `+` Giải thích các bước giải:

`->` She asked Ba if/whether he was doing his test then.

__________

Reported Speech :

S + asked + if/whether + S + V(lùi thì) + O.

`-` Are you doing `->` He was doing (HTTD `->` QKTD)

`-` The test `->` His test

`-` Now `->` Then.