No one is allowed, no matter who he is, the room unless he has a permit.
A. enters
B. to enter
C. entering
D. entered
网友回答
A. enters
B. to enter
C. entering
D. entered
解析:考查动词短语。题意 无论是谁,除非被允许,否则任何人不得进入这个房间。Be allowed to do 被允许做某事。本句的难度在于no matter who he is 让步状语从句插在这个固定短语中,增加了学生的难度,所以要认真审题,分清句子结构。故选B项。
考点 考查动词短语