【单选题】「その」は何を指すか。
B.
十二、十三世紀ごろから知られている、獣に育てられたりした子供たちの。
【单选题】You can ’ t play computer s ______you finish your homework. A. after B. until C. before
【单选题】John is very lazy. He falls ______ behind in his studies. [ ]
【单选题】I don ’ t think you can finish the project in one month, ?
【单选题】—Can you help me download some popular songs from your computer? —_______, but I must finish typing the article first.