1. Accidents ... often by carelessness.

1 cause 3 are causing

2 are caused 4 have been caused

2. Mrs Black ... just ... some tea.

1 are making 3 are made

2 made 4 has made

3. The woman ... ... to hospital yesterday.

1 was taking 3 was taken

2 has been taken 4 had taken

4. I ...... the letter yet.

1 wasn’t sent 3 hadn’t sent

2 didn’t send 4 haven’t sent

5. The problems ... still ... ... .

1 have discussed 3 were discussed

2 are being discussed 4 discussed

6. Many houses ... ... in Kyiv every year.

1 are built 3 build

2 are building 4 were built

7. The telegram ... ... tomorrow.

1 will send 3 will be sent

2 have sent 4 has been sent

8. The book ... ... ... ... by the end of the month.

1 will have been published 3 are publishing

2 is published 4 will publish

9. Many people ... ... during the Second World War.

1 killed 3 were killed

2 were killing 4 had been killed

10. Whisky ... ... in Scotland.

1 make 3 is made

2 was making 4 has been made

11. This room ... ... last night.

1 was cleaned 3 is cleaning

2 has been cleaned 4 had cleaned

12. The train ... already ... when he arrived at the station.

1 is left 3 had left

2 is leaving 4 left

13. They ... ... ... the Olympic City by 1996.

1 will build 3 will be built

2 will have built 4 will be building