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-I called you at 4:00 yesterday afternoon,but no one answered.
-Icalledyouat4:00yesterdayafternoon,butnooneanswered.-Sorry,I_____withmyfriendsatthat...
-I called you at 4:00 yesterday afternoon, but no one answered. -Sorry, I _____ with my friends at that time. A. swim B. swam C. will swim D. was swimming
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