语法与词汇
The board deemed it urgent that these files _____ right away.
A、
had to be printed
B、
should have been printed
C、
must be printed
D、
should be printed
【正确答案】
D
【答案解析】
句意：董事会认为这些文件应立刻打印。urgent后的宾语从句应使用虚拟式，即should+动词原形。
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