We should analyze the work ______ instead of concentrating only on some single parts.
The thick mist _____ gradually as the sun rises.
My parents were not happy as they don't approve ____ out at night.
We haven't seen each other for 20 years, but I recognized him _____ I saw him.Which of the following is wrong ?
Life is the most important in the world so we should never compromise _____ safety standards.
Generally speaking, when _____ according to the directions, the medicine had no side effect.