Mr Black is an experienced engineer, and he will be employed to ______ us in improving our equipment.
What I should do is ________ the task soon.
Very generally,grammar is ________ with the relations between words in sentences.
________ you eat the correct foods ________ be able to keep fit and stay healthy.
—He says that my new car is a ________ of money. —Don’t you think those words are just sour grapes?
Scientists have many theories about how the universe ________ into being.