【推荐1】It may seem like building castle in the air, but _________(give) the rate at _________ artificial intelligence or AI________(develop), in the future such dreams may actually come true. （所给词的适当形式填空）

【推荐2】Put simply, potential is your natural ability that can ______(develop) when you try hard enough. (所给词的适当形式填空)

【推荐3】With the widespread use of the Internet, communications across the world________ (develop) steadily over the years. （用所给词的适当形式填空）

【推荐1】The Chinese________(make)paper for two thousand years. （所给词的适当形式填空）

【推荐2】The telephone ________ (ring) in the office all the morning. (所给词的适当形式填空)

【推荐3】Refugees ________(stream) into this place for months. (所给词的适当形式填空)

【推荐1】He said that he __________(leave) for Shanghai the next day. (所给词的适当形式填空)

【推荐2】Many interesting experiments ________ (do) these days. (所给词的适当形式填空)

【推荐3】The serious expression on his face suggested that an important matter ________(consider) by him. (用所给词的适当形式填空)