问题
选择题
—Could you tell us how long ________ ?
—About three days.
A．does the sports meeting last
B．the sports meeting last
C．will the sports meeting last
D．the sports meeting will last
答案
答案：D
宾语从句要保持陈述语序B项主语为单数谓语要用单数，如果是一般现在是的话。因此选D。
