Complete these sentences.circle the correct form of the verbs. in some cases, both forms are correct 1.professor owen is working on two articles for national wildlife magazine. she has written /has been writing these articles since monday. 2.national wildlife magazine has published / has been publishing its annual report on the environment. it is an excellent report 3.more tnah 500 african elephants have already died / have been dying this year 4professor owen has given / has been giving many talks about wildlife preservation in past lecture series. 5.she has spoken / has been speaking at our school many times. 6.congress has created / has been creating a new study group to discuss the problem of endangered animals. the group has already met twice. 7.the new group has a lot of work to do. lately, the members have studied / have been studying the problem of the spotted owl. 8.professor owen was late for a meeting with the members of congress. when she arrived the chairperson said, "at last, you're here. we have waited / have been waiting for you." 9.professor owen has lived / has been living in england for the last two years, but she will return to the united states in january 10.she has worked / has been working with environmentalists in kenia and tanzania