At times the balance in nature is ______ , resulting in a number of possibly unforeseen effects.
You can’t imagine what great trouble the doctor had ______ the patient.
—This TV program has a lively style and _____ young people. — So it does.
I’m stuck is used __________. A. when you have a good idea B. when you go on talking without stop B. when you are thinking something is too easy D. when you can’t continue with something because it’s too difficult
There is no doubt ______ smoking can seriously damage our health.
A small plane crashed into a hillside five miles east of the city, ____all four people on board.