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 word (a, b, c, or d) that best fits each of the blank spaces. 
Hi. I’m back in the U. S. I was with Matilda on her concert tour of Africa. The best part was Eritrea. The Eritrean people were very friendly and (21) _____ The streets weren’t (22) ____, but the markets often were. The restaurants were great, but the service was often (23) _____. Some (24) _____ were modern and some weren’t, but even (25) _____ hotels weren’t air- conditioned. The (26) _____was very hot and (27) ____, but Matilda’s concerts were great, and my whole trip to Eritrea was a lot of (28)_____ . 

(24).......

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She returned____ China after spending much time abroad.

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John had just had his brother______ a house for him on Fifth Avenue.

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Do you have a newspaper______ to your home?

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This movie is based________ a true story.

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This style of architecture is typical ___ the Colonial period.

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They translated the letter ______ French.

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While mother________ dinner the phone rang.

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I couldn’t cut the grass because the machine_______ a few days previously.

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This apartment would be too crowded for two people, but it is perfect ___ one

Choose best answer A, B, C or D to complete the sentence. We’re sorry that we weren't _______ to telephone you and your friends yesterday

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Look! The bus________.

Choose correct A, B, C or D to complete the sentence.  Breakfasts are __________ in the hotel service

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That dancing club________ north of the city.

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Thank you very much_____ what you have done for me.

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Mike________ one hour ago.

Choose the letter A, B, C or D to complete the sentences

Our seats were _____ far from the stage that we couldn't see the actors and actresses clearly.

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I _______my homework as soon as Lan goes here.

Choose the answer A, B, C or D into complete the following sentence. "Mount Rushmore is located _________ the USA."

Choose the letter A, B, C or D to complete the sentences:
I asked him for _________ name with a shy voice.