Helping Verbs

The twins ____________ since I saw them last.

• have grown

• have grew

The class _______ the same test last week.

• had taken

• had took

Each student _________ a book to read.

• has chose

• has chosen

No one __________ more work on the project than Kate.

• has done

• had did

The baby birds _________ away from the nest.

• have flown

• have flyed

All the trees on the leaves _________________.

• has fallen

• had fallen

The dog has _________ bones all over the yard.

• has hided

• has hidden