题目内容：

语法填空

阅读下面材料，在空白处填入适当的内容(1个单词)或括号内单词的正确形式。

My aunt Betty is a typist who has always wanted to go on a time travel holiday．Last year she 1.    (decide)to design her own time tour．She wanted to take a space capsule to AD 3050．The representative from 2.    time travel company gave her the impression that the space capsule was easy 3.    (handle)．He told her about its efficiency and safety. This increased her 4.    (motivate)to take the DIY(Do It Yourself)time tour．However，her trip was not the instant success she had expected．When she pressed the switch to begin the journey there was a flash 5.    the capsule’s engine died．No matter how hard she tried，Aunt Betty was unable to restart the engine，which made her 6.    (terrify)．It seemed that the capsule was far from being efficient and 7.    (rely)．She wondered whether some parts of the capsule had been manufactured from second-hand materials． 8.    (obvious)it was quite unsafe for her to travel in，so instead of 9.    (visit)settlements far in the future，Aunt Betty had to go to Hainan 10.    her holiday!