问题

Nobody ______ to go into the laboratorywithout permission ().
A:allows
B: is allowed
C:promises
D: is promised
B: is allowed
C:promises
D: is promised
正确答案是:
同类题型
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She ____ well let out the secret,for she looked very upset when seeing me.[ ]
______ in his book, he didn’t notice me when I entered the room.