On his way home, he found a wallet ____ on the ground, which he picked up and ____ in his schoolbag.
With a MBA degree from Harvard University, our boss takes a______ method to manage the company, which benefits everyone a lot.
_______to sunlight for too much time will do harm to one’s skin.
— Can you lend me the book Gone with the Wind? — Sorry. I returned it to the library just now. Maybe it is still ____.
You are working too hard. You'd better keep a ________ between work and relaxation.
It is by no means clear the president can do to end the strike.