We find it extremely difficult to ______ the mean

Americans are highly ______ , and therefore may find it difficult to become deeply involve

The project requires more labor______has been put in because it is extremely difficult.A．w

To be a grown－up, it means we know all of the following EXCEPT______.A．what we"re good atB

Finding it difficult to______to the climate in the city, he decided to move to the south.A

We want to know what is the best way to find______to this extremely difficult problem.A．an

It is very difficult to______the exact meaning of an idiom in a foreign language .A．transf