—Recent pressure at work may ______ his behavior.
I should like to try that coat on, but I don t know if it is my ____.
A new technique ____ out, the yields (收成) increased by 20% .
There are many inconveniences (不方便) that have to be ____ when you are camping.
The size of the audience, ____ we had expected, was well over one thousand.
Very few experts have ____ with complete new answers to the world s economic problems.