Passive voice 2

The car _____ invented in 1886

• is

• have

• was

• were

The internet ___ first assembled in 1983

• was

• is

• has

• were

Vaccines ___ produced by extracting part of the virus cell.

• was

• are

• have

• is

You ___ seen leaving your house at 9:30 last night.

• have

• were

• are

• is

Icicles ___ usually formed at sub-zero temperatures.

• was

• are

• has

• did

The mobile phone ___ first invented in 1973

• is

• has

• was

• were

Which sentences are correct:

• Qaboos bin Said took power in 1970

• Qaboos bin Said was taken power in 1970

• Qaboos bin Said was made sultan in 1970

• Qaboos bin Said made sultan in 1970

• Sultan was made Qaboos bin Said in 1970

Which sentences are correct:

• Instagram launched by Kevin Systrom in 2010

• Instagram started in 2010

• Instagram was officially launched in 2010

• 2010 was started Instagram

• Kevin Systrom launched Instagram in 2010

Candidates ___ informed about the exam date a month beforehand.

• have

• are

• was

• did