单词拼写（共7分）
He i__________ the doctor’s advice and goes on smoking.
Let children play o________ to enjoy fresh air. It is good for their health.
He went s__________ to his office without stopping at the restaurant to eat breakfast as usual.
She is not a stranger. A__________, all of us have known her for a long time.
His office is on the 18th floor. Let's take the e___________.
It is nearly 11 o’clock yet he is not back.. His mother is c____________about him.
If we hold a good a_____________  towards our study, we will succeed one day.