阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子，并将答案写在答题卡上的相应题号后。
小题1:It’s universally acknowledged that never __________ （我们能期待） a bluer sky unless we create a less polluted world．（expect ）
小题2:We breathed a sigh of relief at last．Had she known about the risks, she _____（也许没完成）with the operation．（go）
小题3:________ （急需钱）, he tried to persuade her to marry him, but she changed her mind and declined．（desperate）
小题4:With ________（所有人抛弃）him, he went abroad and asked for shelter．（desert）
小题5:My dog is too fat．It’s evident that I ________（不该喂）him with so much food．（feed）
小题6:______ （给我印象最深的） is the beauty of the white clouds floating in the blue sky．（strike）
小题7:I was very nervous because it was the first time that I ________ （受邀请） an opening banquet．（invite）
小题8:We wonder ________（是什么）caused so many strange things to happen．（it）
小题9:_______ （毫无疑问）that honeybees communicate information of the feeding place to each other by dancing．（doubt）
小题10:It’s likely that such a question, if it can be called a question, ________ （你提的）, can’t be answered by any human beings．（raise）