Chọn một từ đúng trong ngoặc để hoàn thành các câu sau.

There should be practical measures to control air __________ 

Select the synonym of the following underlined word in each sentence: "On this occasion, my class is making an excursion to visit some caves near our city."

Abraham Lincolns boyhood home resembled those of many others midwestern pioneers, with its dirt floor, sleeping loft, and crude fireplace.

We really enjoyed the children’s imaginative and excited play last Saturday

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

 It was raining hard. __________, the match went ahead.

The organizers of the charity were more than surprised at how many people lined up to receive the clothes donating by the outdoing mayor.

Lewis and Clark had been gone for such long on their expedition that many thought they were dead.

The most important historical relics found in Hanoi's Temple of Literature ________ the Stelae of Doctors.

In just three months H.G. Wells wrote the famous classic The Time Machine for what he won a Newberry Caldecot Award

Married women should be encouraged ____ a career of their preference.

My mother doesn’t care how much does the washing machine cost because she is going to buy it anyway.

If you need to keep fit, then why don’t you take on a sport such as badminton or tennis?

Afterwards I’d read the manual, I found I could use the computer easily

To the men who worked so hard on the project, the news was profound disappointing.

Because helicopters are capable of hovering in midair, they are particularly useful for rescue missions, military operates , and transportation.

Rainwater carries unused chemicals from fields into streams or lakes, where various compounds promote the rate growing of weeds

Before his death, John Dewey saw his philosophy have a profound influences on education and thought in the United States and elsewhere.

Government money appropriated for art in the 1930’s made possible hundreds of murals and statues still admiration in small towns all over the Unites States

I think women should continue __________ a career.

National forests including land for animal grazing, as well as wilderness areas with scenic mountains and lakes.

You need to study really hardly is you don’t want to fail your exams