问题
选择题
---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
答案
答案:C
---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
答案:C