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I think he is unwell; he was complaining_______ a headache this morning.

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You can come here either on Monday__________ on Friday.

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_________ you rather sit by the window?

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His government insisted that he________ until he finished his degree.

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

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“How much money did you spend?”

          “As much as there_____”.

Are there any robots in the space __________?

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In 1900 the world had no deaths from rabies. Scientists______ wonderful vaccine.

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_______natural resources is of great importance.

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He had to work hard so that he _____ his family.

Choose the letter A, B, C or D to complete the sentence: I'd rather_____ in the field than_____ at home.

__________ robots can help children with difficult homework.

Choose the word or phrase that best completes each unfinished sentence below or substitutes for the underlined word or phrase.

I have no idea where she is.

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Statistics_____ a difficult course for people to understand.

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“When did you get married?”

          “_____1983”

_____ is a tall plant with big yellow seeds that

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Lightning currents ________ the interior of an airplane.

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

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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This drink tastes a little_______ to me.

Will we be able __________ into space in the future?