Alone in the lab on Sundays, the young scientist was so busy with his research work that he felt _____ but lonely.
I never saw him,I can remember, reading anything but newspapers.
The mother opened the door quietly so as not tothe sleeping baby.
Soon children in the camp had many new friends,they shared food, stories and projects.
In a natural disaster, minutes and even seconds of warning can make the between life and death.
Everyone who reached the top of Mount Tai waswith a magnificent view.