A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".
In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase. Let something slip through one's fingers
Improve the bracketed part of the sentence. Higher crude oil prices have doubtlessly provided a significant fiscal boost in the past several months, although any (flair on) going forward can lead to a price spiral that would have other untoward consequences as well.