Would you allow me ______ here?— Sorry. We don’t permit ______ in the lab.[ ]

If she doesn’t want to go, nothing you can say will _______ her.

We have to give the users something new ________ what we’ve already offered, which is the only way to broaden the appeal of the website[ ]

as the only one who ________ all the conditions; she was of the required age, height and color.

It suddenly occurred to him ____ he had left his keys in the office．