问题
选择题
---Could you tell us how long asleep?
---For about two hours.
A．has he fallen
B．he has fallen
C．has he been
D．he has been
答案
答案：D
题目分析：句意：——你能告诉我们他已经睡了多长时间了吗？——大约两小时。fallasleep强调入睡的动作；beasleep强调睡着的状态，根据句意可知用be asleep，因为从句应用陈述句的语序，故选择D。