Choose the letter A, B, C or D to complete the sentences:
First of all, they are used in various aspects _________ our life such as science, industry, airline, military and so on.

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“Did you paint our house yourself?” “No, I had some friends_______ me”

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_______natural resources is of great importance.

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We were shocked to hear the news of you_______

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While he was washing his new car, Mr. de Rosa_____ a small dent in the rear fender.

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Bill came to work at the University thirty years__________

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“Why did they close the center of the city to automobiles?”

          “Because the number of contaminants in the air_____”.

Choose correct answer A, B, C or D to complete the sentence. What is a washing machine used _________?

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Yesterday he missed the lesson. He wishes he______ it.

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The _________ of women earning Master’s Degrees has risen sharply in recent years.

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We used to go skiing in Michigan every winter, but________ for the past five seasons.

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When my father was young, he _____ work in the garden for long hours.

Khi vật thể hay nhóm vật thể là duy nhất hoặc được xem là duy nhất

There are billions of stars in ______ space.

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We haven’t had ________ news from the disaster site since the earthquake.

Choose the letter A, B, C or D to complete the sentences:
Distance is no longer a matter of concern _________ we can send emails within a few seconds or make cheap internet phone calls.

 Choose correct answer A, B, C or D to complete the sentence. If the sun shines, we ___________ to the town

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The women of this tribe______ precious ornaments for slat because they didn’t have any salt.

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I am sure Miss Smith_______ use the new equipment.

Choose the letter A, B, C or D to complete the sentence: He'll be remembered both as a brilliant Physician and as a true _______.

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He_____ have committed the crime because he was with me that day.

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I’m afraid I have some homework_______ today.