Translate the following sentences into English choosing the correct alternative from the options given below:
सामाजिक कुरीतियों को हटाने के लिए सख्त कानूनों की जरूरत है।
I will be with you in one quarter of an hour.
Select the most appropriate word to fill in the blank.
The National war memorial is ______ to our Armed Forces.
Man is mortal. (Change it into negative.)