Question

Jonna is a very proud girl; she is always walking as if nobody else ________．

1. A.
   exists
2. B.
   exist
3. C.
   existed
4. D.
   had existed

Answer 1

C
句意：乔娜是一个很自傲的人，她总是走路就好像别人不存在似的。此题应用虚拟语气。