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Directions: Beneath each of the following sentences there are four choices marked A, B, C and D. Choose the one answer that best completes the sentence.
18. You’ll miss the train _______ you hurry up.
A. if B. as C. since D. unless
19. With the government’s aid, those _____ by the earthquake have moved to the new settlements
A. affect B. affecting C. affected D. were affected
20. By the year 2170, people ______ cities and industries on Mars.
18. You’ll miss the train _______ you hurry up.
A. if B. as C. since D. unless
19. With the government’s aid, those _____ by the earthquake have moved to the new settlements
A. affect B. affecting C. affected D. were affected
20. By the year 2170, people ______ cities and industries on Mars.
