--What beautiful shoes you’re wearing! How much are they?--They only __________ 10 yuan.
Timmy likes Chinese very much. He can’t stop ________ it every day.
We are _____ to see so many interesting books in the library. Now we have _____ to read.
—What do you usually use your computer ________?—I usually use it to search for information.
—Must I leave for the meeting now?—No, you ________. There’s much time before the meeting.
Mr. Smith was ________ UNICEF officer. He came to the village and changed the poor girl’s life.