用所给词的适当形式填空。 It's sometimes 1

题文

用所给词的适当形式填空。（必要时可加助动词或情态动词。）      It's sometimes 1______ (report) that strange objects 2______ (e) high up in the sky. The unidentified flying objects 3______ (make)a lot of people interested. Some of the reports about them are difficult 4______ (believe). Some have been explained in scientific ways, and others have never been explained.      It's not easy to decide whether a report is true or not. One report of UFOs. 5______ (come) from a British plane on its way from New York to London in 1954. The Brisith plane 6______ (fly) over an island at 19,000 feet when the captain 7______ (notice) that something was on their left and a little lower than their plane. It was about five miles away.      "It was not one object but veral." The captain said. "Well 8______ (e)one large and six small objects. I nt radio message to report about this and I received the answer that the other planes 9______ (come) out to meet us. Before the planes arrived, the smaller objects entered the larger one. The large object then became smaller and 10______ (move) away fast".

题型：未知 难度：其他题型

答案

1. reported 2. have been en 3. have made 4. to believe 5. came 6. was flying 7. noticed 8. saw 9. were coming/would come 10. moved

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