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Unit 48: Grammar Exercises

Complete the sentences using by, from, and till/until.

Example: I'll stay _____ I feel it's time to go.

a) after
b) until

The answer is: b) - until
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1. The restaurant will stay open _____ 2:00 am.
a) by
b) until

2. _____ 2:05 am, everyone will have left and the place will be empty.
a) By
b) Until

3. My wife and I hope we will have found a house _____ the end of July.
a) by
b) from

4. In the three-month period _____ May to July, house prices rose by 11%.
a) from
b) until

5. I told Mary I'd meet her at 6:15, so I’ll study in the library _____ 6:00 pm.
a) by
b) till

6. _____ Christmas time, Mary and I will have been together for seven months.
a) By
b) From

7. The Cold War lasted _____ the end of World War II until the fall of Soviet Union.
a) from
b) till

8. _____ the time the U.S.S.R. broke up, its economy was in a severe state of collapse.
a) By
b) Until

9. It wasn't _____ Thomas Malthus that anybody thought to worry about overpopulation.
a) from
b) till

10. _____ the dawn of time until the 1800s, the world's population totaled less than 1 billion.
a) By
b) From
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