In the last thirty years, space exploration _____ great contributions to weather forecasting. 

You are welcome  .............  any books in the library.

The mosquito has needle-shaped mouthparts that piercing the skin to suck blood.

Applicants are advised to fill out an application form concisely to impress potential employers, without being too....................or boring

Not until the end of the 19th century ______ become a scientific discipline. 

Choose the correct answer to complete the sentence.  "The examination will test your ability to understand to speak English, to read and _______ correctly"

Kelly: “It’s was very kind of you to give me a lift home”.

Mark: “  ............   ”

Put in the correct preposition.

I couldn't find the street I was looking for, so I stopped someone to ask _____ directions.

Choose the best answer A, B, C or D to complete the sentence. "She wanted to take a career …… in order to have children."

Choose the best answer:
The superintendent promised to tear down and_______ the fire damaged school building.

Jenny: "Wow! What a nice coat you are wearing!" Peter: “  ............   ”

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence. 

Employment figures confirm that the nation's economy is growing at its fastest_____________ in five years.

_______ is the study of the Earth's physical features and the people, plants, and animals that livein different regions of the world.

Choose the correct answer.

Reading newspapers is a/an ______ way to improve your vocabularies.

Australian koalas are furry, gray animal that live in trees and feed on leaves.

Choose the best answer from the four options given (A, B, C, or D) to complete each sentence. 

Mr. Kwon was selected from among other__________candidates because of his extensive background in international trade law.

The brothers Grimm intended their fairy tales to be studied by scholars of German literature and not to enjoy as simple stories by children.

................he finally decided to go ahead with the new marketing project

Dad: "What's the weather forecast?" Mum: “   ...................  .”

“What’s  wrong  with  Robert?”-“I  don’t know. He  ............ up, slammed the door and stormed out of the building.”

The professor is thinking to go to the conference on conservation next month.