life will continue on the earth for millions of years to come will depend on the problem of pollution can be solved.
“Are you satisfied with his answer?”“Not at all. It couldn’t have been ____.”
Tom’s mother always told him not to smoke again, but _____ didn’t help.
In my apartment there are two rooms, _____ is used as a living room.
There was nothing special about this film — it was only ______.
I don’t like it at all. It can’t be _____.