– How long has Jack been away?– __________

试题详情及答案解析

– How long has Jack been away?
– ___________.

A．Two hours before	B．Two hours ago
C．For two hours	D．Since two hours

答案：C

试题分析: 句意：---杰克离开了多长时间了？---两个小时了。此题考查how long引导的特殊疑问句应用for+时间段来回答；故选C。
考点：考查特殊疑问句的答语。