Question

These books mustn’t ________ out of the reading room. You have to read them here.
A. take                    B. be taken            C. be taking

Answer 1

B

試題分析：句意：這些書不能帶出閱覽室，你們必須在這里閱讀。句子中主語books和謂語動詞take是被動關系，故用被動式，其結構是系動詞be+動詞過去分詞，故選B。