【正文】
arch (be) popular with the young people now. 解析: 主語(yǔ) Stories of the Long March是書名,謂語(yǔ)動(dòng)詞要用第三人稱單數(shù)形式。 答案: is (be) the language of science. 解 析: 此處 mathematics為學(xué)科名詞,作主語(yǔ)時(shí)謂語(yǔ)動(dòng)詞要用復(fù)數(shù)形式。 答案: is rice and wheat (be) grown in our country. 解析: both...and...連接兩個(gè)并列主語(yǔ)時(shí),句子的謂語(yǔ)動(dòng)詞要用復(fù)數(shù)形式。 答案: