【推荐1】Listen! Do you hear someone _________ for help? (call, calling)（用正确动词形式填空）

【推荐2】—Dr. Jackson is not in his office at the moment.
—All right. I_________（call）him later. （所给词的适当形式填空）

【推荐1】The painter painted many pictures calling on people to protect nature. In this painting, there is a city ________ (wrap) in fog. (所给词的适当形式填空)

【推荐2】Except for eating, Chinese people combine traditional Chinese medicine (TCM) with this time of the year. Sanfutie, or Sanfu patch treatment, is a bandage ________ (make) of traditional Chinese herbal medicine. （所给词的适当形式填空）

【推荐3】The donor started sending envelopes with cash to her， ________(accompany)by an article from the local paper.(所给词的适当形式填空)

【推荐1】___________(found) in 1636, Harvard University is one of the most famous universities in the United States. (所给词的适当形式填空)

【推荐2】Professor Lan stood there after the speech, ________ (surround) by many students.（所给词的适当形式填空）

【推荐3】We have seen solar energy and renewable or reusable waste__________ (use) again to reduce the release of carbon dioxide. （所给词的适当形式填空）