subject verb agreement

Is the following subject singular or plural: bush of roses

• Singular

• Plural

Spies for our government _____ in France.

• was arrested

• were arrested

A convoy of trucks _______ down the highway.

• is roaring

• are roaring

If you _____ a phone, it probably _____ to Chris.

• finds / belongs
• finds / belong
• find / belongs
• find / belong

She _____ home if she _____ time.

• drive / has
• will drive / has
• will drive / have
• will drive / had

Here ______ the chocolate donuts we made this morning.

• is
• aren't
• are
• be

When the fire alarm goes off, all of the students ______ out the nearest exit. 

• walking
• walk
• walks
• are walking

Nobody in the class _____ the homework assignment last night.

• doesn't
• do
• did
• does

Your friend _______ too much.

• talk
• talks

The committee __________ hard to better the school in their community.

• works
• work