一、
1. am   are
2. is
3. are
4. are
5. are
6. are
7. is
8. are

二、
1. Let us go to the party.
2. Whose jeans are they?
3. My trousers are too long.
4. Where is your red skirt、
5. What is the matter?

三、
1. at   shorts    It's   short
    these
2. gloves   
   It's   small
   gloves  are
   They're

一、
1. am   are
2. is
3. are
4. are
5. are
6. are
7. is
8. are

二、
1. Let us go to the party.
2. Whose jeans are they?
3. My trousers are too long.
4. Where is your red skirt、
5. What is the matter?

三、
1. at   shorts    It's   short
    these
2. gloves   
   It's   small
   gloves  are
   They're