—Did Liu Xiang’s training programme _____ a lot of his time?—Yes, that’s right.
-Do you need my help, Mary? -_____________.
-Hello, Jack. How are you doing? -__________.
-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.