题目内容
---Answer the doorbell, please. It must be your uncle.
---It Heidi. She’s coming over this morning to help me with my math.
A. is B. can’t be C. could be D. will be
C
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题目内容
---Answer the doorbell, please. It must be your uncle.
---It Heidi. She’s coming over this morning to help me with my math.
A. is B. can’t be C. could be D. will be
C