问题
选择题
-Did you catch what the teacher said?
-No. She spoke so fast _____ I couldn't hear her very clearly.[ ]
A. which
B. that
C. when
D. since
答案
答案：B
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-Did you catch what the teacher said?
-No. She spoke so fast _____ I couldn't hear her very clearly.[ ]
A. which
B. that
C. when
D. since
答案：B
