C1
The color of the fish and birds (serves, serve) as a protection.
serve
The student, together with his teachers, (was, were) in the room.
was
There (is, are) only one answer on his paper.
is
Mr. Jones or his assistant (help, helps) us with problems.
helps
The corners of the painting (is, are) crooked.
are
One of those students (was, were) late again.
was
The coach and his assistant (teaches, teach) us patiently.
teach
Every one of the wastebaskets (was, were) too full.
was
The teacher or the students (has, have) begun the project.
have
(Was, Were) your questions answered politely?
were
The teacher, as well as the students, (was, were) praised.
was
Either Jane or Joe (was, were) at the games.
were
Corn and peas (is, are) our best crops.
are
(Don't, Doesn't) the Smiths live near you?
Don't
One of the cat's front paws (need, needs) first aid.
needs
A happy smile or a friendly hello (doesn't, don't) hurt anyone.
doesn't
Either Jane or her sisters (was, were) at the games.
were
Two hours (is, are) enough time for a good rest.
is
Here (is, are) the supplies for the camping trip.
are
The air and the water (was, were) excellent for a swim.
were
Neither one of our neighbors (has, have) any children.
has
The carpenter, as well as his helper, (do, does) an excellent job.
does
This type of beverage (tastes, taste) delicious.
tastes
Neither of these routes (lead, leads) directly to the beach.
lead
There (is, are) three mistakes on your paper.
is