— What color is the ruler? — ________.
—Sue feels stressed, and she doesn’t know ________ about it. —She can get help from her friends, parents or teachers.
To an engineer, a miss is ________ a mile. He can’t afford to make any mistakes.
—Could you please help me carry the box?
We took some photos of animals________tigers and lions.
Some people plan to________a volunteer project to help the disabled children.