ASK GEORGE: Mark Wood, England's chances and what rules the game

WATCH: Chief correspondent GEORGE DOBELL answers readers' questions after day four at the SCG

England need another 358 runs to complete an unlikely victory in the fourth Ashes Test at the SCG.

Usman Khawaja's second ton of the game put Australia in control as the home side declared on 265 for 6 in their second innings, before England reached 30 for 0 at the close.

The Cricketer's chief correspondent, George Dobell, answered readers' questions at the close of play.

Get your questions in during every Ashes day's play by using the hashtag #AskGeorge on Twitter, or emailing website@thecricketer.com with Ask George in the subject line.