正确的人称代词或物主代词填空They are doing _______(they) homework.We are d

正确的人称代词或物主代词填空
They are doing _______(they) homework.We are doing ________(we)homework.
Miss Li is waiting for ________(we)
—Who is it?
—It's_________(I)
猜谜语
With white shirt and black coat,it waddles by,and does not fear the ice cold .What is it?
谜语
What is black When it is clean and white when it is dirty?
根据中文提示，完成下列句子
_________(有多少天) in a week?