He used to (　　) as a teacher.

• work

• works

• worked

• working

She was asked (　　) with preparing dinner.

• help

• to help

• helped

• helping

The building should (　　) by next year.

• completed

• be completed

• being completed

• complete

It is said that they were (　　) letters to each other.

• writing

• written

• write

• wrote

I was surprised (　　) the news.

• to hear

• hearing

• heard

• hear

He told her (　　) the plan.

• tell

• telling

• to tell

• to

The teacher told the students (　　) their homework.

• to finish

• finish

• finished

• finishing

It is said that the book is very (　　).

• interesting

• interested

• interest

• interests

The children used to (　　) to the park every Sunday.

• going

• went

• go

• gone

We were told (　　) the new project.

• starting

• to start

• start

• started