Front

Everybody who signed up for the snowboarding trip _______ taking lessons

Back

was

Front

Neither the professor nor his assistants _________ able to solve the mystery of the eerie glow in the lab

Back

were

Front

Mary and John usually ______ together

Back

play

Front

Either the girls or the boy ________ in the evening

Back

walks

Front

Each student _____ responsible for their work.

Back

is

Front

Both dogs _____ collars.

Back

have

Front

Mr. Agustin ______ at work early every day.

Back

arrives

Front

Many zoo animals _______ wild.

Back

are

Front

Physics is fascinating, but economics is too difficult for me.

Back

is, is

Front

The man, in addition to his daughter, ______ here.

Back

lives