Amy thinks hamburgers are not healthy, so she _________ eats them.

The director will by no means turn the actress awayall she is considered the most qualified for the role．

The growing speed of a plant is influenced by a number of factors, ____ are beyond our control.

John’s report has been approved by the chief editor.—_______. He devoted so much.

Why the explosion occurred was ____the laboratory attendant had been careless.