Past Perfect and Past Tense

Had anyone been in the house before you ______ ?

• have arrived

• have arrive

• had arrived

• arrived

When I _______ my swimming lesson, I realized my sister had left.

• finished

• have finish

• had finished

• have finished

We _____ far when the sun began to shine.

• had travel

• have traveled

• hadn't traveled

• traveled

As soon as I _____ ________ lunch, I started to feel hungry again!

__________________ before they bought the tickets?

• Has the movie started

• Had the movie start

• Did the movie start

• Had the movie started

Is there any mistakes in this sentence:

Before the scientists found the fossil, they hadn't discovered anything at the site.

• YES

• NO

Fill with past perfect.

The geyser________(form) many centuries ago.

Fill with past perfect.

No one in our class _________ (hear) of Yellowstone National Park.

I hadn't seen a fossil until our teacher _____ us one.

• had shown

• had showed

• showed

• has shown

After we _______ _______ about magma, we started studying volcanoes.