--What's this _________English? --It's a clock. A.of B.on C.in
-When was David born? -He was born ________ June 12, 1989.
Because the old people ________ about thirty percent of the population, we should care more about them.
“Have ________ try, you are so close to the answer,” the teacher encourages the kids.
My grandfather is as ________ as a young man and hates sitting around doing nothing all day.
What would the girl probably say to the boy in the picture on the right?