Have you seen Dr. Adams recently—No. He __________ Hong Kong for an important meeting. He’ll come back tomorrow.

It is the farmers who provide us with food,yet they are __________ by some citizens.[ ]

Next month we’ll move to a new building，next to _________ a nice restaurant where we can have Chinese food.

13. — The organizer didn’t make ________ clear who would be the winner of the competition. — He did. Whoever __________ to the top of the mountain will win.

I have been keeping the portrait _____ I can see it every day, as it always reminds me of my childhood in Paris.[ ]