Choose the best answer: 

The science classes at this ______ difficult.

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It is imperative that you_____ careful on the construction site.

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Either you or I ______ wrong.

To climb that mountain is a ____________ experience.

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The new school principal_____ my uncle’s name. 

Choose correct answer A, B, C or D to complete the sentence. What is the longest river __________ the world?

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The president_____ will investigate the case tomorrow.

Choose correct answer A, B, C or D to complete the sentence. Huan made me _____________they had left the district

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Ten people applied for the job, none of ____ were suitable.

Choose the letter A, B, C or D to complete the sentences:
It is __________  and the oldest one among the three pyramids of the Giza Pyramid Complex.

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It is our wish that you_____ enough rains to love the sun shines.

Scientists believe that this pyramid was built ___________  a period of 10 to 20 years.

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John, as well as I, ______ a student.

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

The scenery is _____ for us to see.

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_____ are you going to the zoo? Tomorrow.

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The boy_____ eyes are brown is my son.

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The land and the people______ I have met are nice.

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Mrs. Bond is going to spend a few weeks in Sweden, ____ her daughter lives.

Choose the word (a, b, c, or d) that best fits each of the blank space. 
Dear James,
I’ve just had some (21)_____news about next summer! My mum and dad have been planning (22)_______England for a long time and they have decided (23)_____a small flat in London in August. It’ll be great and I’m so excited about seeing you again. 
It’s going to be very busy. Mum loves (24)______round art galleries and she wants (25)_____the National Gallery. Dad hates (26)_____round galleries - and so do I - so we’ll probably do lots of shopping. Mum and Dad have promised (27)_____ me to Rock Circus and the Planetarium. That’ll be great, I really like doing things like that. 
Anyway, shall we arrange to meet when I come over? Maybe we could have a few days together. Please write and tell me what you think. 
Love,
Katie

(24)........

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Mathematics_____ difficult.

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Florida, _____ the Sunshine State, attracts many tourists every year.