_______ camera is not expensive as_______, but it works well, too.
Lisa doesn’t know ______ she and her friends can do to help the little boy ______ parents have left their hometown for making money.
I could speak _____ German _____ French, so I had to talk with others in English.
—David has made great progress recently. —_____, and _____.
—What a grand monument(纪念碑) it is! —Yes, it was built in _____of those dead heroes.
—Do computers play ____ important part in our daily life? —Yes, and many people like playing ____ chess on computers.