Subject and verb agreement

A number of people _______ reported to have fallen sick after drinking the water from the tubewell.

• was

• were

The dog ________ chasing the cat.

• is

• are

The 4 stroke engine cycle ________ also called the Otto Cycle.

• is

• are

Otto _____ born in 1838.

• was

• were

In each cylinder the camshaft _____ the valves to open and close at the correct time.

• coordinate

• coordinates

Everyone _________ done his or her homework.

• have

• has

Each of the students _______ responsible for doing his or her work.

• is

• are

Either my father or my brothers _________ going to sell the car.

• is

• are

The camshaft _____ a fuel intake valve allowing fuel and air to enter the cylinder via an intake port.

• open

• opens

The engine ______ by igniting mixture of fuel and air causing combustion.

• is

• are