Having been ___ volunteer in a day-care centre for weeks, Susan feels much sympathy for ___ disabled.
—Thank you for your wonderful meal. —______.
—Would you like to watch the basketball match with me this evening? —______. I like basketball very much.
I couldn’t______cry while I was watching the movie “Titanic”.
The child said he had____the book on the desk, but actually he_____to me.
He_______have been here two hours ago, but he hasn’t_______by now.