The student realized with sappointment that he had learned new nothing in the lectur

Water , ice, and snow play a role affecting an Earth’s rotae.

This library book is overdue. I  ............ better return it today.

At the station, we often see the sign "  .......... for pickpockets".

As the marathon runner reached the half-way mark, he, being hot and was soaked perspiration, stopped to rub himself down with a towel.

The word “acronyms” probably means ____.

Are there enough champagne to go round? Will everybody get a glas?

Find out error in each sentence: We were advised not drinking the water in the bottle.

It is becoming extremely difficult to grow enough to feed the world’s rapidly increasing population.

Established about 1300, the Acoma Pucblo in New Mexico is believed to be oldest continuous occupied settlementthe United States.

The singer was ______________ on the piano by her sister. 

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

There are different ways of comparing the economy one nation with those of another.

The team leader demanded from his team members a serious attitude wtih work, good team spirit, and they work hard.

If the airplane ticket wasn’t expensive, I could fly o Singapore for my holidays.

The government’s budget maybe considered balanced when the amount of money it spend does not exceed the amount it receives

Nutritionists recommend that foods from each of four basic groups be eaten on a regular daily basis.

The Boundary Waters Canoe Area Wilderness and Voyageurs National Park, both ___________ along the border between Minnesota and Ontario, Canada, are two of the most popular canoeing areas in North America.

Neither of the girls have turned in the term papers to the instructor yet .

Lawrence Robert Klein received the 1980 Nobel Prize economics for pioneering the useful of computers to forecast economic activities

A conductor uses signals and gesture to let the musicians to know when to play arious parts a composition.