551. The price of the tickets is ______ to change without notice.

552. He managed to ______ the exam despite not having studied at all.

553. She's been feeling a bit under the ______ lately.

554. It’s about time you ______ up to your responsibilities.

555. I was taken ______ by his sudden outburst of anger.

556. He’s a very ______ person; he always speaks his mind.

557. The project is still in its ______; we have a long way to go.

558. He decided to ______ the bull by the horns and address the issue directly.

559. The witness's testimony ______ doubt on the defendant's alibi.

560. I'm sure he'll ______ to the occasion and give a great speech.

561. ______ she speaks French fluently, she prefers to speak in English.

562. ______ the heavy rain, the football match was not cancelled.

563. He passed the exam ______ he hadn't studied much.

564. I'll take an umbrella ______ it rains later.

565. You won't lose weight ______ you start exercising regularly.

566. The company failed ______ poor management decisions.

567. ______ had I closed the door than I realized I'd left my keys inside.

568. She went to the doctor ______ she felt much better.

569. We'll go to the beach tomorrow ______ the weather is good.

570. He spoke very slowly ______ everyone could understand him.

571. ______ the fact that he is 80, he still runs marathons.

572. I love playing tennis, ______ my brother prefers football.

573. You can borrow my car ______ you promise to drive carefully.

574. ______ being very tired, he finished his homework.

575. He didn't get the job ______ his excellent qualifications.

576. Neither of the boys ______ his homework on time

577. She's the woman ______ car was stolen

578. She is famous ______ her singing

579. I wish it ______ the time of year when I could go on holiday.

580. ______ have they visited that museum

581. Not only did she write a report, but she also ______ a presentation

582. The instructions were ______ to follow

583. He's the kind of person who ______ easily to new situations

584. The more he practiced, ______ he got at playing the piano.

585. If I ______ known, I would have helped

586. He suggested that she ______ the doctor

587. They ______ a new car last week

588. ______ have I encountered such a difficult problem

589. ______ watching the movie, we went to bed

590. ______ have you been working at this company?

591. This is the ______ part of the journey

592. ______ has she spoken to me like that

593. ______ ever been to Europe?

594. I have been ______ for you for over an hour!

595. Not only ______ late, but he also forgot the documents

596. ______ do you exercise?

597. The more you study, ______ you understand

598. There ______ a lot of people at the party

599. ______ of the students were present in the class

600. She ______ watching TV when the phone rang