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A. when B. while C. because D. though 5. I’ ll go to visit my aunt in England ___ the summer holidays start. A. while B. since C. until D. as soon as Answers I. 1. unless 2. as soon as 3. so。 that Ⅱ. 1. As soon as 2. goes。 will 3. Unless。 rains 4. so。 that 5. too。 to Ⅲ. 15 BCAAD