It be the vocabulary that caused you the problem in the exercise because you know a lot of words.
Whoever comes here to have the meeting will be treated ________ a wonderful dinner.
She made the demand that she ________ at once.
To my joy, I have _____my parents to allow me to travel abroad alone in the coming summer holidays.
--I think _____possible that he has got the ticket for tonight’s concert . --So do I. He seemed very happy for the whole afternoon.
Mr. Li’ s house is so big, about _____ours.