Question

【题目】The leaders have already reached an agreement on economic affairs.（改为否定句）

The leaders ________ reached an agreement on economic affairs ________.

Answer 1

【答案】haven’t yet

【解析】

句意：领导人已经就经济事务达成了协议。

原句是现在完成时态，其否定句需在助动词have后面加not；already不可用于否定句，需改为yet。根据句子结构，可知填haven’t; yet。