2. I don’t think the experiment is ______ failure, because it has provided us with ______ valuable experience for our future tests.
. He _____ English for ten years by the time he takes the examination.
This is a difficult and stressful job, but one ______ you can really help people.
______, a small advertisement held my attention, which read “Easy job. Good wages. No experience necessary.”
Nobody noticed the thief slip into the house because the lights happened to .
. ______ it is true that a student’s most important goal is to do well in his or her studies, it doesn’t need to be the only goal.