初中英语比较介词选词填空

选择括号内恰当的单词或词组填入空白处，使句意完整、正确。
Mr Brown,                （this / that）is my mom.
They                （has / have）round faces.
              （Who’s / Whose）bananas are these?
              （Sorry / Excuse me）, I don’t know her.
A man has two                （foots / feet）.