John read a book after he had returned at his house.

Many theories on conserving the purity of water have been proposed, but no one has been as widely accepted as this one.

The food that Mark is cooking in the kitchen smells delicious.

Hurry, Please! Get me a cleaning cloth from the kitchen. Dorothy _____ tomato juice on the rug!

George ______ read the book you lent him, but he ____ it yet.

1. Mattew ____ alone in the dark room and ____ miserably about what Linda ____ last night

1. We ______ a word of his local dialect until we _____ an interpreter.

The first thing we ____ when we ____ the house was the incredible mess that the robbers ____

While the woman ___ into the bus, the driver ____ suddenly

He was digging in the garden and whistled to himself all day .

A: what _____ between 5 and 7 o’clock yesterday?

B: I ____ in the Red Lion Pub with lots of other people

In the nearest future, It’s likely that adventure holidays ___ limited to remote places on Earth

The president went fishing after he has finished with the conferences.

The professor had already given the homework assignment when he had remembered that Monday was a holiday.

Having been beaten by the police for striking an officer, the man cries out in pain.

Mrs. Anderson bought a new sports car last week; however, she has yet to learn how operate the manual gearshift.

We thought he is planning to go on vacation after the first of the month

While they were away at the beach, they allowed their neighbors used their barbeque grill.

Before she moved here, Arlene had been president of the organization since four years.

The girls were sorry to have missed the singers when they arrived on the airport.

The cyclist _____ he crossed the main street.

The scientific history of radium ______ beautiful.

And in that way it has been proved that the radioactive elements are constantly ______ and that they produce at the end ordinary elements, principally helium and lead.

All the elements emission such radiation I have termed radioactive.

Radium is no more a baby but the conditions of the discovery were somewhat peculiar, and so it is always of interest ______ them and to explain them.

If we are taking a practical point of view, then the most important property of the rays is the production of physiological effects on the cells of the human organism.

Ever since Carl Benz and Gottlieb Daimler were invented the automobile back in 1886, automotive design has continued to inspire us.

It ______ a century to get to this point, so I think it is worth looking at how we got here.

When ______, a water mist sprayed across the intercooler absorbs additional heat from the intake air for increased power and performance.

_____ by the time you're 60?

I ___ there for some time before getting up.