Could you help _______ the classroom? It’s dirty.
Lily isn’t allowed to have her ears________.
—What’s the matter?—They said I should not be allowed________here.They don’t allow________in the waiting room.
Please stop________a noise in the classroom.I can’t stand it.
________should not be allowed to go out at night.
—Do you believe there are aliens?—I’m afraid not.I don’t think aliens________in space.A.can findB.can be foundC.can’t be found