If H2 burn in O2, we can get _____.
She can’t _________ a rest,or she won’t get home before 8:00 in the evening.
He spends _________on English and he’s _________it.
My father is a doctor.He works _________.
John, as well as his classmate, ______excited ______so many stars yesterday.
The boy is lost. The police ______ him.