18.---I can’t recite the poem. ---Well, you are supposed _____ it many times yesterday evening.
— I’ve never found a better job. — ______.
He had to _______ paying the bills because of a lack of money.
When she saw her son liked reading, she did all she could ______ him.
Even if they are on sale, these computers are equal in price to, if not more expensive than, ________ at the other store.
The manager demanded that the workers _______ extra hours to complete the task ahead of time.