六年级英语下册总复习专项训练2 ... I see a man behind me. （改为一般过去时） Helen is good at singing. （同义句） The boy can jump higher than the girl. (改为否定句) ...
双语例句
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Five no-trump announced that all four ACES and the king-queen of hearts were held and expressed interest in a grand slam. Six hearts denied a side-suit king.