$\text{56.}$ He wanted to know if I am going to the cinema.
$\text{→}$ wanted to know thì câu gián tiếp giữ nguyên
$\text{57.}$ The teacher wanted to know who speaks English.
$\text{58.}$ She asked me how I knew that.
$\text{→}$ HTD ⇒ QKD
$\text{59.}$ My friend wondered if Caron had talked to Kevin.
$\text{→}$ HTHT ⇒ QKHT
$\text{60.}$ Yesterday Mandy asked me if the boys were reading the book.
$\text{→}$ HTTD ⇒ QKTD