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On July 20, 1969, Neil Armstrong ________ down onto the moon, the first person ever set foot on another planet.

Choose the best answer A, B, C or D to complete the sentences. "Do you know the ______ why humans are interested in Mars and other planets in thesolar system?"

Choose the correct answer A, B, c, or D to complete the sentences.  "More open discussions will be conducted online to help us reach a ______ decision."

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The teacher had the students______ their test. 

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 Last night I was invited ___ a formal get-together and I enjoyed myself a great deal.

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Her family________ to America before 1975.

Choose the letter A, B, C or D into complete the following sentence. "What he has said about me is __________ wrong."

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The new technology rapidly (introduce)________________ into teaching and learning languages.

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I am going to have a new house______

 _____ is hot liquid rock that comes out of a volcano.

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It is possible that we (live)_______________ on the moon or on Mars in 2050.

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____ here since 1976 when her parents moved from New York.

Choose the answer A, B, C or D into complete the following sentence. "Mount Rushmore is a national __________ carved into a mountain in USA."

Choose correct A, B, C or D to complete the sentence. Have you ever _______ a vacation abroad?

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“Did you like your trip to Niagara Falls?”

          “It was beautiful. Hardly ever ___________ such a spectacular sight”.

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The____ of space exploration started in the 1960s.

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Students usually have a____each year.

 Choose the best answer A, B, C, or D to complete the sentences. "She spoke English with a(n) _________ that I couldn't understand."

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“Is this machine often in need of repair?”

          “No, ___________ problems to arise”.

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Are you planning to go _______ Paul's job at the resort when he leaves?

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He was the first man_____ to help the flood victims.