No eating,drinking or smoking ____in the computer room A.are allowed B.is allowed
问题描述：
No eating,drinking or smoking ____in the computer room A.are allowed B.is allowed
答
b
答
B. is allowed.
电脑室中禁止吃、喝和抽烟。
答
is allowed
答
B
答
有 or 就用单数is allowed. 表明：吃东西,喝东西,抽烟三项中的任何一项都不允许.若用 are allowed 则是同时做这三项事情是不允许的,但只做其中一项,二项是可以的.
所以答案是 B.