When the mother realized what had happened to her child, she ________ her face in her hands. So no one could see her expression.
Because I’ve something important to do, I can’t come to see you this evening, ____ I’d like to.
. –Have you finished designing a dress? --________ finished but there’s still something to improve.
The population of many Chinese cities has _________ doubled in the past 30 years.
You can’t ________ her in knowledge of classical music.
The scientists are now trying to discover that use could be _________ such material.