Question

【题目】— National Day is coming in .— Great. We will have a vacation.
A.seven days, seven day's time
B.seven days', seven days'
C.seven-day, seven days
D.seven days, seven-day

Answer 1

【答案】D
【解析】句意：七天后国庆节就到了。好极了。我们将有一个七天的假期。in+一段时间, 多久以后, 用于将来时态。数字加连字符加名词单数, 构成复合形容词。以S结尾的名词复数的所有格只在复数后加'。根据句意及结构, 故选D。