题目内容
用所给动词的适当形式完成短文，必要时可加助动词或情态动词。
It's sometimes reported that strange objects have been seen high up in the sky．These unidentified（未确定）flying objects __1__（make）a lot of people interested．Some of the reports about them are difficult __2__（believe）．Some have been explained in scientific ways，others have never been explained．
It is not easy to decide whether a report is true or not．One report of UFOs __3__（come）from a British plane on its way from New York to London in 1954．The British plane __4__（fly）over an island at 19,000 feet when the captain noticed that something was on their left and a little lower than their plane．It's about five miles away．
“It was not one object but several，” the captain said．“We saw one large and six smaller objects．I sent out a radio to report about them and I received the answer that the other planes would come out to meet us．Before the planes arrived，the smaller objects entered the big object．The big object then became smaller and __5__（move） away fast．”
1．have made 2．to believe 3．came 4．was flying 5．moved
