语法与词汇
Caroline ______ her speech when a stranger rushed in and interrupted her.
A、
was to finish
B、
finished
C、
had finished
D、
was to have finished
【正确答案】
D
【答案解析】
本题译文：要不是一个陌生人冲进来打断了Caroline的演讲，她本应已经讲完了。此题考查不定式的时态。be的过去式和动词的完成式构成谓语表示“本来已经，本应已经，本来打算，本来要”。
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