Supply the correct form:
1. It's a very boring novel. I (read) it for two weeks, though I usually (read) books very quickly.
2. We (arrive) at the theatre about 7 o'clock. Ten minutes later we (sit) in the stalls and (watch) the performance.
3. We knew that the 2 o'clock train (start) already and (decide) to go by bus.
4. If she (go) on holiday on Monday, she (have to) go shopping tomorrow.
5. Where (be) your sister? - She (translate) an English text in her room. She (translate) it since 10 o'clock but she (not, finish) her work yet.
6. We (celebrate ) Victory Day on the 9th of May since the end of World War II.
7. The nearest way to the station (show) to them an hour ago, but they (not, arrive) yet.
8. The patient (operate) in two days by a well-known surgeon.
9. The examinations (pass) by the end of January and now the students are (on, in, at) holidays.
10. It must (do) it at once. We have (not, no, neither) time to waste.
11. Passengers come to the airport an hour before the take-off time.
12. ... I check in for the flight to Moscow here?
13. ... I have your ticket and passport, please? - Here (you are, are you).
14. Usually we go to the South by plane but tomorrow we ... go there by train as we didn't make a reservation for the flight.
15. I think they ... (see) all the sights of London by the end of their stay there.