Water, which seems so simple and common, is ______ makes life possible.
Jack took music than any boy in his class and held a concert successfully.
---Linda, I called you this morning, but nobody answered the phone.--- I am sorry.I football with my friends then.
The people in Ya’an have met lots of difficulties, but they haven’t hope.
She thinks the best way ________ English is ________ English magazines.
Thanks to the Internet, different kinds of information in a short time.