题目内容
Fill in the blanks with the proper forms of given words.
1.I helped my mother to buy some beef and three ______(potato) for supper today.
2."Belt and Road"(一带一路) are the two wings of developing Asia in the ____(twenty-one) century.
3.Please keep ___(silence) in the concert hall because people are enjoying Lang Lang's piano performance.
4.Candy _________(lay) out the tea, fruit and snacks on the table and waited for the visitors.
5.With the development of technology, mobile phones are _______(wide) used these days.
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