阅读短文，判断正误，用“√”和“×”表示。
My name is Su Hai. I have a twin sister. Today is my birthday (生日). This is my big birthday
cake. My parents give me a nice watch. Su Yang gets a nice radio. My grandparents give us two
skirts. My skirt is red. The other one is blue.
( )1. Today is Su Yang's birthday.
( )2. My mother doesn't give me presents (礼物).
( )3. Su Yang's shirt is blue.
( )4. Su Yang and Su Hai both (都) get a skirt.