If the test taker finds an item to which an answer is not known, it may be ( )to leave it blank and go on with the test. ( )
A.valuable B.advisable C.considerable D.probable正确答案B
If the test taker finds an item to which an answer is not known, it may be ( )to leave it blank and go on with the test. ( )
A.valuable B.advisable C.considerable D.probable正确答案B
