问题
选择题
----Could you tell us how long ?
---- About three days.
A．does the sports meeting last
B．the sports meeting will last
C．the sports meeting last
D．will the sports meeting last
答案
答案：B
宾语从句的考察 宾语从句的语序应为陈述语序A、D不正确，“你能告诉我运动会持续几天”可知运动会还没开始，应为一般将来时。