Question

【題目】For kids of this age, two hours of sitting in a classroom ________ too long.
A.is
B.are
C.was
D.were

Answer 1

【答案】A
【解析】句意：對于這個(gè)年齡的孩子，坐在教室兩個(gè)小時(shí)太長了。two hours of sitting in a classroom表示一段時(shí)間，用作主語時(shí)，謂語動(dòng)詞該用第三人稱單數(shù)形式。結(jié)合語境，本題該用一般現(xiàn)在時(shí)，所以選A。