问题
选择题
The vegetables didn’t taste very good. They ______ too long.
A．had been cooked
B．were cooked
C．have cooked
D．cooked
答案
答案：A
前句为一般过去时，后句动词发生在它之前，故过去的过去用过去完成时被动。
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The vegetables didn’t taste very good. They ______ too long.
A．had been cooked
B．were cooked
C．have cooked
D．cooked
答案：A
前句为一般过去时，后句动词发生在它之前，故过去的过去用过去完成时被动。