It will not be ________ we can meet again.
-Bob failed in the exam again. -He ________ it;he never worked hard.
______ people are standing outside the office. _____ people there is at least over 1,000.
You should always _____ your conclusion _____ careful research.
We won’t give up ________ we should fail ten times.
—Could you turn the TV down a little bit? —________. Is it disturbing you?