Question

The brown trousers _______ 70 dollars. And that white pair of trousers _______ 80 dollars.

A．is; is

B．is; are

C．a(chǎn)re; are

D．a(chǎn)re; is

Answer 1

D

試題分析：句意：這條棕色的褲子七十美元。而那條白色的褲子八十美元。前文主語The brown trousers是復(fù)數(shù)形式，故謂語動詞用復(fù)數(shù)；下文主語that white pair是的單數(shù)形式，故謂語動詞用單數(shù)，選D。
點評：be動詞往往根據(jù)句子的主語而有所不同，其應(yīng)用原則可以結(jié)合如下歌謠來記憶；我用am，你用are；is用在他、她、它。單數(shù)名詞用is，復(fù)數(shù)名詞全用are。