Question

【题目】The students how to do the experiment in class yesterday.
A.were taught
B.taught
C.was taught
D.teach

Answer 1

【答案】A
【解析】句意：昨天，学生们在课堂上被教会如何做实验。students与teach构成被动关系，yesterday是一般过去时的标志，因此用一般过去时的被动语态，结构为be+过去分词，本题的主语为复数，故be用were，故本题选A。