SVA: Rules 1-10

Two liters of water ________ required for the recipe.

• is

• are

Politics ________ a complex field.

• is

• are

Something ________ delicious in the kitchen.

• smells

• smell

None of the workers ________ available.

• was

• were

The class ________ a substitute teacher today.

• has

• have

Economics ________ on supply and demand.

• focuses

• focus

The box of chocolates ________ on the table.

• was

• were

Either the apples or the watermelon ________ ripe.

• is

• are

Hard work and patience ________ to success.

• leads

• lead

Every country in the world ________ its own culture.

• has

• have