Past simple or past perfect

They _______ answering the questions before the bell rang.

• finish

• finishes

• finished

• had finished

When Matthew arrived home, his wife _________ the meal.

• had cooked

• cooked

• cooks

• cook

Mrs Lawrence _________ the window before she went to bed,

• opening

• is opened

• had opened

• opens

Before Darcy enttered this competition, she _________ for two months.

• practised

• practising

• practises

• had practised

Dexter ________ a skeleton before he visited the museum with his friends.

• not saw

• not seen

• had not saw

• had not seen

When the earthquake happened , we ________ our work at the office.

• had not finished

• had not finishes

• finished

• finishing

Simon _________ a shower before the guests arrived for the party.

• had taken

• had took

• had taked

• had taking

The thief ________ out of the window by the time a opened the door.

• jumped

• had jumped

• jumps

• is jumping

I _________ a horror film before we went to the cinema last Wednesday.

• not watched

• not watching

• not watched

• not watch

Mrs.Reid _______for the company for 30 years when she retired last year.

• working

• had worked

• worked

• works