We can't have lunch at the restaurant because __________.
—Do you believe that opportunities always ________ the prepared minds?—I couldn't agree more.
—Tom has played a lot of computer games recently.—Yes, that might ________ his failure in the midterm examinations.
No matter how much money you possess, it can't ________ a healthy body.
The landlord wants to ________ the rent by $ 30 a month, which I think is unacceptable.
Overuse of computers will ________ to the failure of our eyesight, which is a warning to us all.