Submitted by admin on Tue, 08/11/2015 - 00:35
definition:
having a sound basis in logic or fact; reasonable
sentence:
I don't have a valid reason for missing the class.
difficulty:
easy
toefl frequency:
3
toefl classification:
adverb:
adjective:
adverb sentence:
adjective sentence:
verb:
verb sentence:
noun:
validity
noun sentence:
The professor questioned the validity of the test results