The students look very tired after the sports meeting.—We’d better make them ____a rest in the classroom.

Though he failed many times in the election, he never lost_______heart and at last he was elected _____________ president of the USA.

依次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）充满整个夏天的是一个紧张、热烈、急促的旋律，______，________，______，_______，________，_______。那春天的灵秀之气经过半年的积蓄，这时已酿成一种磅礴之势，在田野上升腾，在天地间升腾。夏天到了。①林带上的淡淡绿烟也凝成一堵黛色长墙②金色主宰了世界的一切，热风浮动着，飘过田野，吹送着已熟透了的麦香③好像炉子上的一锅冷水在逐渐泛泡、冒气而终于沸腾了一样④火红的太阳烘烤着一片金黄的大地，麦浪翻滚着，扑打着公路上的汽车，像海浪涌着一艘艘的舰船⑤山坡上的芊芊细草渐渐滋成一片密密的厚发⑥轻飞曼舞的蜂蝶不多见了。却换来烦人的蝉儿，潜在树叶间一声声地长鸣

ng the loud explosion, _______ with nothing on him.

Some research workers completely allthose facts as though they never existed