Verbs and Subjects agreement

Atom ... the smallest unit of a chemical element

• is

• are

• do

• does

Two atoms of hydrogen ... with one atom of oxygen to ... a single molecule of water

• combine/form

• combines/form

• combine/forms

• combines/forms

The circulatory and digestive systems .... examples of organ system

• is

• are

• do

• does

At every level, structure and function ... precisely coordinated

• is

• are

• do

• does

Each level .... emergent properties

• isn

• are

• has

• have

One of my sisters .... going on a trip to France.

• is

• are

• do

• does

The man with all the birds .... on my street.

• lives

• live

The movie, including all the previews,.........about two hours to watch.

• take

• takes

The players, as well as the captain, ...... to win.

• wants

• want

Either answer ..... acceptable.

• is

• are

• do

• does