The knowledge that his friends have deserted him is a (n) ______ pill for Mr. Smith to swallow.

I think _____necessary_______ to take more exercise.

I have to go to work by taxi because my car _____ at the garage

I am interested in travelling. And I have visited more than ten cities in China _______.

Anyone who refuses to ____ with others is not likelyto be given a job that involves teamwork.