It was probably _______ the wrong operation(操作) of the pilot that caused the plane to crash.
_________ to the association of success with money that the thought of giving up good salary for an idea seems like a little bit crazy.
— What do you think of their marriage? — ______, if I were Kate, I would not marry him.
You promised me to go to the zoo on Sunday. You must keep ______, Mom.
Many students_______ from the new library since it was open to all.
The doctor ______ him to give up smoking, but he refused.