【推荐1】She has been a volleyball star for more than thirty-five years and _______ (contribute) greatly to the sport, which has made her the most popular figure in China’s volleyball history. (所给词的适当形式填空)

【推荐2】In the last several years, public transportation in America __________ (undergo) a renaissance.（用所给词的适当形式填空）

【推荐3】This isn’t the first time technology _________ (change) our manners. (所给词的适当形式填空)

【推荐1】________ (rare) does he spare some time to see a film. （所给词的适当形式填空）

【推荐2】Only when he returned________we told that the war had ended and the army had come back.

【推荐3】Only when he apologizes for his rudeness ________ I speak to him again. (用适当的词填空)

【推荐1】As a result of destroying the for-ests, a large quantity of desert________（have）covered the land. （所给词的适当形式填空）

【推荐2】The scientist and engineer_______(have) invented a new machine．（用单词的适当形式完成句子）

【推荐3】Tom, together with his friends,_______ (have) gone out to play．（用单词的适当形式完成句子）