Пре­об­ра­зуй­те, если это не­об­хо­ди­мо, слово THAT так, чтобы оно грам­ма­ти­че­ски со­от­вет­ство­ва­ло со­дер­жа­нию тек­ста.

You may be surprised to know that __________________ oranges were not in fact orange  — they were green.