Rick has learned a lot about Chinese culture he came to China.
—You didn’t have so much time, did you?_______. I had nothing to do all day.
—Whose volleyball is it? —It ________ Carla’s. She doesn’t like volleyball at all.
—_______ do you improve your English?—I improve it _______ reading aloud.
After a heavy rain , There is ___________ water on the playground .
If he ________harder , he will catch up with us soon .