There is only one strategy to answer these questions..
Just look at the options and eliminate those that are giving wrong starting sentences...
after look at the following sentence..most of the times u can answer these questions in some 30-40 secs max...
u shd be able to answer some 5 such ques in 3min....
actually these questions are a give away in any kinda paper...
just work on them and u ll get it...
happy Jumbling....