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EXPANSION Units 1–3
Complete each sentence with other, others, or another.
Rewrite the underlined sentences with used to, be used to, or would.
Do you think scientists will have found a cure for cancer?
Do you think space travel will have become commonplace?
Do you think the world will have become more peaceful?
Do you think we will have started using something other than gas to run our cars?
Do you think global warming will have slowed down?
Do you think engineers will have developed a computer capable of thought?
Do you think scientists will have contacted life on other planets?
Look at the pictures of Asma below. Write sentences about her, using the following grammar points from Units 1–3.
Match each word to its synonym.
What is the goal of the SETI program?
Why haven’t any signals been picked up from other planets yet?
Why are SETI scientists confident that they have a better chance of picking up signals in the future?
How do we send signals into space?
What is SETI@home?
Complete each sentence with an idiom shown. Be sure to put each idiom in the correct tense.
Complete each sentence with the correct commonly confused word.
تم حفظ السؤال في محفظة الأسئلة
