摘要：Is necessary to complete the design before National Day? A. this B. that C. it D. he 7.I don't think possible to master a foreign language without much memory work. A. this B. that C. its D. it 8.Does matter if he can't finish the job on time? A. this B. that C. he D. it 9.It was not she took off her dark glasses ,I realized she was a famous film star. A. when; that B. until; that C. until; when D. when; then
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Is __________ necessary to complete the design before National Day?
A. this B. that C. it D. he
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