501. He failed to ______ to the terms of the contract.

502. Far ______ it from me to criticize, but I think you could have handled that better.

503. You ______ have told me you were coming! I would have cooked something special.

504. The problem was ______ difficult that none of the students could solve it.

505. I regret ______ you that your application has been unsuccessful.

506. I'll get the report finished, ______ it takes me all night.

507. The lights are off and nobody is answering. They ______ have gone out.

508. By this time next year, I ______ my degree.

509. He is bound ______ the next chairman of the company.

510. She was reluctant ______ her personal information with a stranger.

511. The equipment ought ______ checked regularly for safety.

512. The more I study, ______ I realize how much I don't know.

513. If it hadn't been for your help, I ______ in serious trouble now.

514. It only happens once in a ______ moon, so you should definitely go.

515. At no time ______ that he was planning to resign from his position.

516. My computer keeps crashing. I really need to get it ______ by a professional.

517. But for the goalkeeper's incredible save, our team ______ the match.

518. The board of directors recommended that the new policy ______ be implemented immediately.

519. It's difficult to ______ all the noise from the construction site next door.

520. He's been working here for ages, he knows the procedures inside ______.

521. The company is on the ______ of a major technological breakthrough.

522. She has a ______ for detail, which makes her an excellent editor.

523. The politician's speech was ______ and failed to inspire confidence.

524. It goes without ______ that you'll be paid for the extra hours you work.

525. The author's prose is often described as ______ , filled with complex and ornate language.

526. By the time the project ends, they ______ together for over a decade.

527. It’s high time you ______ a decision about your future.

528. The CEO's resignation came out of the ______, surprising everyone.

529. Despite the evidence, he ______ any involvement in the scandal.

530. I’m afraid I’m a bit ______ for cash at the moment; can I pay you back tomorrow?

531. Hardly ______ started the presentation when the power went out.

532. I’d rather you ______ my computer without asking first.

533. The government is ______ new measures to combat climate change.

534. He has a ______ for getting into trouble whenever he's alone.

535. She was so engrossed ______ her book that she forgot to get off the bus.

536. The plan was ______ to failure from the very beginning.

537. He always ______ his weight in the team, which is why everyone respects him.

538. I was on the ______ of calling you when you walked through the door.

539. The results of the study are ______ with our previous findings.

540. If only I ______ harder at university, I might have a better job now.

541. The negotiations ______ to a standstill after hours of debating.

542. I don't think he's ______ to be a manager; he lacks leadership skills.

543. The meeting has been ______ until next Tuesday.

544. He took the news ______ his stride and didn't seem upset at all.

545. There's no ______ in crying over spilt milk.

546. The news of the merger ______ like wildfire through the office.

547. Such ______ the intensity of the storm that many trees were uprooted.

548. He has always ______ an interest in ancient history.

549. I can't quite ______ my finger on what's wrong, but something is definitely different.

550. Under no circumstances ______ you to leave the building during the drill.