题目

She won't agree to buy a computer ______ her son promises not to play computer games.A. when B. untilC. and D. so 答案：【答案】B【解析】句意：直到她的儿子答应不玩电脑游戏，她才同意买电脑。when当…时候；until直到…时候；and和，而且；so因此，所以。根据句意可知，这里考查的是not…until…句型，意为“直到…时候，才…”。故应选B。 Is there ________ in today's newspaper? [　　] A．important something B．something important C．important anything D．anything important