问题补充:
----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:
A. does the sports meeting last
(答案→)B. the sports meeting will last
C. the sports meeting last
D. will the sports meeting last
解析: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。