WHEN THERE IS AN INCREASE ______UNEMPLOYMENT AND A DECREASE _____...
106. When there is an increase ______unemployment and a decrease ______ the temperature,
the problem becomes greater.
A/ on / on B. in / in C. for / for D. of / of
106. When there is an increase ______unemployment and a decrease ______ the temperature,
the problem becomes greater.
A/ on / on B. in / in C. for / for D. of / of