Question

---How much are the carrots?

---One yuan a kilo．

---________ cheap．

---How much is the chicken?

---12 yuan a kilo．

---________ expensive．

1. A.
   That's; That's
2. B.
   They're; They're
3. C.
   That's; They're
4. D.
   They're; That's

Answer 1

D
此题考查有关名词单复数的问题，也就是代替单数或不可数名词的代词用this, that或it，而可数名词复数用these, those或they．carrots“胡萝卜”，可数，用They're; chicken，“鸡肉”，不可数，用That's．