The ________ look on her face suggested that she _________ the exam.
Most of the evidence was destroyed in the fire.__________, it would be almost impossible to prove Jim guilty.
My father read through my composition and _________quite a few spelling mistakes in it.
It was about 600 years ago _______the first clock with a face and an hour hand was made.
If you_______ smoke, please go outside.
Every means _________tried but without any result.