Choose the word or phrase that can substitute for the underlined word. His recreations include golf, football and shooting.

A dark nebula consists of a cloud of interstellar dust enough dense to obscure the stars beyond it.

It was still painful, _______ I went to see a doctor.

Thanks to his obstinacy, he achieved what he wanted. If he were discouraged earlier by this failures, he would not have reached his aims.

Although the Red Cross accepts blood from most donors, the nurse will not let you to give blood if you have just had a cold .

From archeological evidences, we know that Egyptians were highly organized and civilized. Moreover, they were skillful in using crafts.

Drug abuse have become one of America’s the most serious social problems .

The bodies of cold-blooded animals have the same temperature their surroundings, but those of warm-blooded animals do not.

Since it was so difficult for American Indians to negotiate a peace treaty or declare war in their native language, they used a universal understood form of sign language

An important factor should be considered is Mr. Lopez’s ability to keep the new restaurant going for several months with limited revenue

Bill is in class 12, _______ John, who is a year older, is only in class 4.

The rock formations in the Valley of Fire in Nevada has been worn into many strange shapes by the action of wind and water.

Find the word which has different sound in the part underlined

Could I have rice_______ potatoes, please?

Some people waste food_______ others don't have enough.

I am afraid that the company is in deep trouble. ________, we are going to make some people redundant.

Bats use echoes of their own high – frequency sounds to detect food and avoiding obstacles.

The two kilograms of drugs which the police have seized is only the tip of the iceberg. They fear that far more are being smuggled and distributed

No one _______ Kathy knows very much about it.

He told me not to do it; ________, I did it.

The average temperature on Mars, the fourth planet from the Sun, is about eighty degrees than colder on Earth.