The medicine _______ bitter.

Put it down, Tom. You mustn’tread_____ letter.

How amazing it is that astronauts are exploring outer space!—It’s a challenge, I guess, ______ man against nature

Some research has indicated that unemployed workers should _________any job they can get, including, temporary work, as a bridge to well-paid employment.

He told me that he arrived _______Beijing _____ January 8th .