单选题
The summer vacation ______ over, they then got down to their work again.
A、
were
B、
was
C、
being
D、
had been
【正确答案】
C
【答案解析】
[解析] 本题考查独立主格结构。独立主格结构由名词或代词加上非谓语动词等构成,用来修饰整个句子。本句中’The summer vacation与be动词之间为主谓关系,所以非谓语动词应用be动词的现在分词形式being。故选C。
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