说明原因 The President gave the Secretary of State 30 days __the report .
问题描述：
说明原因 The President gave the Secretary of State 30 days __the report .
A.completes
B.to complete
C.completing
D.completed
答
The President gave the Secretary of State 30 days __the report .
选B
表示还未进行的动作,表示将来,用不定式
翻译
总统给秘书三十天的时间来完成报告