Although you may meet some difficuIties,you should never .
—May I speak to Wang Li?
—Sorry, she is not at home. She ________ since last month.
left
has left
has been away
went away
It’s ________ of the boy to leave the tap running.
endless
homeless
meaningless
careless
In such cheerful conversation, the time ________ all too quickly.
went up
went down
went by
went back
Protect your hearing. Don’t wait until you ________ hear a thing.
needn’t
mustn’t
shouldn’t
can’t
We youths do our best for our dreams and together a small success can give us a sense of ________.
achievement
department
treatment
entertainment