—______is your birthday gift, Linda?
— It's a circle.
A:What kind
B:What color
C:What time
D:What shape
句子改错。
Hurry up, and we'll be late.
____
510 元=____角 810 分米=____厘米
难道这海上森林不是奇观吗?(不改变句子原意,给句子换个说法)