Henry was a studious student. He needed no______ to work hard.

Although the ______ construction costs of environmentally friendly houses are very high, they are very economical in the long run.

His brother refuses to even listen to anyone else's point of view. He is very _______.

The company allows some customers to buy goods on________and pay for them later.

My New Year’s________ this year is to spend less time on Facebook and more time on my schoolwork. But I’m not sure I will keep it.

It is stated that we are now in the first stages of a battle for the______of life on the earth.

A lot of different conservation efforts have been made to save________species.

Mr. Paulson has three daughters of________age, which concerns him much.

My parents lent me the money.__________, I couldn’t have afforded the trip.

My mother often______our mistakes, whereas my father is very strict and punishes us for even the slightest one.

- Daisy: “Are you ill? You look terrible!” - Liz: “Well, I am a bit ______. The doctor says I must rest.”

The handwriting is completely_______. This note must have been written a long time ago. 

Kathy is a very_______girl. She can make friends easily even though she is in a strange place.

His achievements were partly due to the ____ of his wife.

Nobody tool any _____ of the warning and they went swimming in the contaminated water.

The mother __________ her little son. She gives him whatever he wants.

Sarah and I __________ reserved the rooms in the same hotel. She was really surprised to see me there.

Up to now, they have not made a __________ whether they will go or not.     

John cannot make a_______ to get married to Mary or stay single until he can afford a house and a car.

The presenter started his speech with a few______________________ jokes to build rapport with the audience.

The president _________ tribute to all the people who had supported him.

They eventually realize that reckless __________of the earth’s resources can lead only to eventual global disaster.

Every household should be more careful in the way that they ________ of waste.

If people and businesses don’t go green, we will soon _________ our natural resources.

Email and instant messaging services have _________ global communication.

Those who do not exercise at all are more _________ to falling ill.

Some modern couples organize their marriage and work out the tasks and duties, which may gradually turn their marriage into a business or _________________ relationship.

Sometimes at weekends, my father helps my mom with _____________ meals.

Last summer, we _________________to travel to Phu Quoc, which is considered the pearl island of Vietnam.

After driving for five hours, the driver pulled into________________________ for a rest.

Be careful how you that jug; It will break very easily.

The judge said that he was __ by the high standards of performance by the riders.

You should be very_________ to your teachers for their help

My little brother is so fashion__________________________ !

When you travel on the metro, you must be very______________________ about pickpockets.

You should take regular breaks when using computers so that you don’t_____ your eyes.

Before you enter your card details, make sure it’s a _____________ website.

In England, it is___________ to use a mobile phone when driving.

Ecology is the study of our________________ environment.