_____unemployment and crime are high, it can be assumed that the latter is due to the former.
—What made the boy ________ in his classroom?—His hard work and wisdom.
Generally speaking,the limits of a person’s intelligence are fixed at birth,but whether or not he reaches those limits will ________ his environment.
What I should do is ________ the task soon.
Very generally,grammar is ________ with the relations between words in sentences.
________ you eat the correct foods ________ be able to keep fit and stay healthy.