Vocabulary Profiling

In our some courses yes we do engage with guess word activity . For example, in our previous reading skill course we have learned new words by filling the blanks or matching the words .Therefore, I believe that 9 out  of 10 rule in guessing from content really works and observed .I mean if we know the almost all the sentence then we are able to figure it out what is the missing word .Moreover, there are some sustained sentences that can not be changed , so we observe that this rule is working.