Question

The earthquake ____ when I ____ some cleaning.

A．starts, was doing	B．started, was doing
C．was starting, was doing	D．starts, were doing

Answer 1

B

試題分析：本句的意思是“當(dāng)?shù)卣鸢l(fā)生的時(shí)候，我正打掃衛(wèi)生�！保�根據(jù)意思可知，本句應(yīng)該用過去時(shí)，故排除AD；start是一個(gè)非延續(xù)動(dòng)詞，所以不能用進(jìn)行時(shí)表示“正在開始”，故排除C。所以本題選B。
點(diǎn)評(píng)：對(duì)于時(shí)態(tài)的問題，需要先判斷句子中動(dòng)詞發(fā)生的時(shí)間，根據(jù)時(shí)間來(lái)確定相應(yīng)的時(shí)態(tài)。當(dāng)然，還應(yīng)注意動(dòng)詞本身的特性，如延續(xù)性動(dòng)詞和非延續(xù)性動(dòng)詞等。