401. It rained all weekend; ______, the picnic was cancelled.

402. Many animals, ______ elephants and tigers, are endangered.

403. He's interested in many sports, ______ tennis, golf and football.

404. I like coffee, ______ my sister prefers tea.

405. I'll wait here ______ you finish.

406. ______ I was cooking, the doorbell rang.

407. She got injured ______ the match.

408. ______, I'd like to thank everyone for coming.

409. ______, let me say how grateful I am.

410. You ______ wear a helmet when you ride a motorbike — it's the law.

411. You ______ try this restaurant — the food is amazing.

412. I ______ work this Saturday because of a project deadline.

413. You ______ smoke in here — it's forbidden.

414. You ______ come if you don't want to — it's optional.

415. She's not answering. She ______ be asleep already.

416. It's a long shot, but he ______ still call.

417. That ______ be John at the door — he said he'd come at six.

418. You ______ have told me about the meeting! I missed it.

419. I ______ have left my phone at the office.

420. She didn't answer; she ______ have been busy.

421. You ______ have warned me earlier — I would have prepared.

422. When I was young, I ______ run for hours without getting tired.

423. After months of practice, he ______ swim 1km without resting.

424. ______ I borrow your pen for a second?

425. You ______ park here. There's a sign.

426. You ______ better leave now if you want to catch the train.

427. He ______ to apologise for being so rude.

428. ______ you mind opening the window?

429. You ______ not need to bring food — there'll be plenty.

430. She works as ______ engineer for ______ multinational company.

431. I'd like to live in ______ United States.

432. ______ life is full of surprises.

433. My brother plays ______ guitar in a band.

434. She plays ______ tennis every weekend.

435. We had lunch at ______ Italian restaurant near the office.

436. ______ Mount Everest is in ______ Himalayas.

437. She wants to become ______ teacher when she grows up.

438. I usually have ______ breakfast at 8 a.m.

439. She bought ______ apple and ______ pear at the market.

440. ______ rich aren't always happy.

441. He's in ______ hospital after the accident.

442. My sister goes to ______ school in the city centre.

443. Have you seen ______ moon tonight? It's beautiful.

444. I saw ______ amazing film yesterday. ______ ending was unexpected.

445. I enjoy ______ to classical music.

446. She decided ______ the offer.

447. Would you mind ______ the window?

448. He promised ______ on time.

449. I'm thinking of ______ a new car.

450. Don't forget ______ the door when you leave.