Question

We saw ________ elephant in the zoo．________ elephant was from India．

1. A.
   a, The
2. B.
   the, An
3. C.
   an, The
4. D.
   the, A

Answer 1

C
第一次出现的可数名词要用不定冠词修饰，此处elephant是以元音音素开头的单词，故用an；再次提到时则要用定冠词the来修饰．