—_______ the ball? —It’s under the tree.
The World Health Organization has given some advice on to protect us from being infected(感染) with H7N9.
—Linda, I called you this morning, but nobody answered the phone.—I'm sorry. I football with my friends then.
—Why do you collect so many old bikes?—I'Il have them _ and give away to the children who don't have bikes.
—Can we run across the road now?—No, we _ . We have to wait until the light turns green.
You are _to type quickly when talking to each other on QQ so the other person doesn't get bored.