On November 11, the so-called double 11 shopping carnival, his mother spent a lot in buying clothes __________ his father bought tens of latest digital devices.
A.so | B.When | C.as | D.while |
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On November 11, the so-called double 11 shopping carnival, his mother spent a lot in buying clothes __________ his father bought tens of latest digital devices.
A.so | B.When | C.as | D.while |