简答题 I don't know who broke the window.

简答题 What kind of life do most people enjoy?

简答题 Most students feel satisfied with the progress they’ve made.

简答题 The girls are busy making preparations for the weekend party.

简答题 About half of the fruit is ripe.

简答题 I'll have to try using the search engines.

简答题 The People's Republic of China (PRC), founded on October 1, 1949, covers an area of 9.6 million square kilometers.

简答题 You needn’t go there anymore. He already knows about it.