Subject-verb agreement

Front

Someone ( has / have ) taken his bag by mistake.

Back

has

Front

An old lady with a weird cat ( pass / passes ) my house every morning.

Back

passes

Front

Employment of 20 workers (is/are) necessary.

Back

is

Front

All of them ( is / are ) disappointed at the cancellation of the show.

Back

are

Front

Everything always ( work / works ) out well for him.

Back

works

Front

Neither the people nor the president (is/are) allowed to break the rules.

Back

is

Front

Both customers and the seller (know / knows) the importance of following the rules.

Back

know

Front

Parent or children (is/are) allowed to use the credit card.

Back

are

Front

Anyone using the machine must pay $1.

Back

wants

Front

The hustle and bustle of life ( wear / wears ) out many people.

Back

wears