The great _______ of my plan is that it’s so cheap compared to the others.

When Jane began to take swimminglessons,her main_______was the fear of water。

It is well known to us all that in China pigeons stand for peace. However, in India the wheel in its national flag is also a _______of peace.

—Who did you stay with ?—______ .                           

Tom is one of the best students in the school and there is no _______that he will get the first prize in the competition.